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Chicago Manual of Style 16th Edition - Purdue Owl

  1. 1. Chicago’s Notes and Bibliography Formatting and Style Guide Brought to you by the Purdue Online Writing Lab
  2. 2. What is Chicago Style?
  3. 3. Chicago regulates: •Stylistics and document format •In-text citations (notes) •End-of-text citations (bibliography) What does Chicago Regulate?
  4. 4. Already familiar with the 15th ed. Chicago Manual of Style? Here are some of the more significant changes: Titles that end in question marks or exclamation marks Dividing URLs over a line Names like iPod Titles with quotations Punctuation of foreign languages in an English context Capitalization of “web” and “Internet” Access dates Classical references Legal and public document references Significant Changes 15th  16th ed.
  5. 5. “Regardless of the convention being followed, the primary criterion of any source citation is sufficient information either to lead readers directly to the sources consulted or, . . . to positively identify the sources used . . . ” (The University of Chicago 2010, 655). Overarching Rules “Your instructor, department, or university may have guidelines that differ from the advice offered here. If so, those guidelines take precedence” (Turabian 2007, 374).
  6. 6. Direct quotations should: • Be integrated into your text in a grammatically correct manner; • Use square brackets ([ ]), when necessary, to add clarifying words, phrases, or punctuation; and • Use “ellipses,” or three spaced periods (. . .), to indicate the omission of words from a quoted passage. •Include additional punctuation when applicable. Quotations
  7. 7. • Emphasis: Italic type can be used for emphasis within a quote, but should only be used so infrequently “We went last Sunday.” Do not use ALL CAPS for emphasis. When you use emphasis you must let your reader know the italics were not a part of the original quotation. −“Emphasis added,” “emphasis mine,” “italics added,” or “italics mine” are all acceptable. Quotations, cont.
  8. 8. • “Sic” is italicized and put in square brackets immediately after a word that is misspelled or otherwise wrongly used in the original quotation. “We saw The Beetles [sic] on Ed Sullivan.” • A colon (formal) or a comma (informal) can be used to introduce a direct quotation. Lucas has argued: “…” After several years, “…” Quotations, cont.
  9. 9. • Quotations within quotations are enclosed in single quotation marks. “The so-called ‘butterfly effect’ is often…” When the entire quotation is a quotation within a quotation, only one set of double quotation marks is necessary. • A title is placed in quotes or italicized based on the type of work it is. Book and periodical titles (titles of larger works) get italicized; article, chapter, and shorter work titles are enclosed in double quotation marks. Through the Looking Glass vs. “Jabberwocky” Quotations, cont.
  10. 10. • Use headline-style capitalization for titles in the text, notes, and bibliography. Capitalize the first word of the title and subtitle and all important words, including proper nouns. “Capitalization is Important: Know your Rules” • Apply sentence-style capitalization by request. Follow the guidelines above but exclude the important words that are not proper nouns. • Otherwise, take a minimalist approach to capitalization. Lowercase terms used to describe periods, for example, except in the case of proper nouns “the colonial period,” vs. “the Victorian era” Capitalization
  11. 11. Chicago recommends you: •print on standard-sized paper (8.5” x 11”); • use 1”– 1.5” margins on all sides; • choose a readable typeface (e.g., Times New Roman) at no less than 10 pt. (preferably,12 pt.); • double-space text, with one space after punctuation between sentences; and •number pages beginning with Arabic numeral 1 on the first page of text. General Format Requirements
  12. 12. Title is centered one- third of the way down the page and written in ALL CAPS. Name + course + date follows several lines later, also centered. No page numbers on the title page! Title Page
  13. 13. • Number the first text page as page number 1. • Type all text double-spaced (no break between sections). • Identify the sources you use in the paper in footnotes and in the bibliography. • Format tables and figures. Main Body (Text)
  14. 14. Reference Page Center the title, “Bibliography,” at the top of the page. Do not bold, italicize or enclose in quotation marks. Single-space reference entries internally. Double-space entries externally. Flush left the first line of the entry and indent subsequent lines Order entries alphabetically by the authors’ last names.
  15. 15. Notes-Bibliography Style: • Used by those in the humanities and some social sciences. • Requires footnotes and/or endnotes to cite sources and/or provide relevant commentary within the text (see later). •Includes each source cited within the text as an entry in the references page at the end of the paper. Reference Basics
  16. 16. • Invert authors’ names—last name followed by first name—and alphabetize reference list entries by the last name of the first author of each work. Ex. Agamben, Giorgio • Use headline-style capitalization for titles. Ex. A Tale of Two Cities • Italicize titles of longer works such as books and journals. • Put quotation marks around the titles of shorter works such as journal articles or essays in edited collections. Ex. A Tale of Two Cities vs. “An Essay on Dickens’ A Tale of Two Cities” •Publishers’ names are generally written out in full but may be abbreviated. Ex. Purdue University Press OR Purdue UP Reference Basics, cont.
  17. 17. When to Cite: • Sources you consulted but did not directly cite may or may not be included (consult your instructor). • Some sources are traditionally left out of bibliographies, such as personal communications; however, it’s better to ask permission than forgiveness (consult your instructor). Reference Basics, cont.
  18. 18. The strategy below might be useful: 1.Identify the type of source: Is it a book? A journal article? A webpage? 2. Find a sample of citing this type of source in your textbook or in the OWL Chicago Guide: 3. “Mirror” the sample. 4. Make sure the entries are listed in alphabetical order and that the subsequent lines are indented (Recall References: Basics). Compiling the References List
  19. 19. • For multiple authors, use the conjunction “and,” not the ampersand (&) symbol. • For two to three authors or editors - write out all names in the order they appear on the title page of the source in both your notes and bibliography. • For four to ten authors: -write out all names in the bibliography but use just the first author’s name and “et al.” in the notes. References: Multiple Authors
  20. 20. The 3-em dash (—) should be used to replace authors or editors’ names who hold multiple, successive entries in a bibliography. References: One Author, Multiple Entries
  21. 21. DOIs: • For electronic journal articles and other web sources, DOIs (Digital Object Identifiers) are preferred to URLs (Uniform resource Locators). -If you must use a URL, look for the “stable” version assigned by the journal. • DOIs are to be prefaced with the letters “doi” and a colon. EX: DOI: 10.1353/art.0.0020 • While DOIs are assigned to journal articles in any medium, you only need include a DOI when you accessed the electronic version of the source. References: Electronic Sources
  22. 22. • No access date is required to be reported for electronic sources. -Access dates cannot be verified; therefore, only resort to using access dates when the date of publication is unavailable. • If you cannot ascertain the publication date of a printed work, use the abbreviation “n.d.” References: Dates
  23. 23. In-Text Citations: • Each time a source is used in the text, it must be cited by note: footnote or endnote. • Footnotes appear at the foot (bottom) of the page and are preferred. • Endnotes appear at the end of the paper before the bibliography. (Endnotes are useful when footnotes have become exorbitant.) Notes-Biography Style: In-text Basics
  24. 24. In-Text Citations: • A combination of footnotes and endnotes and even author-date style can be used: • Use footnotes for substantive commentary and cite sources with endnotes. • Use footnotes for substantive commentary and cite sources with author-date parenthetical style. Notes-Biography Style: In-text Basics, cont.
  25. 25. Formatting notes: • Place note numbers at the end of the clause or sentence to which they refer. Place them after any and all punctuation except the dash. • Begin note numbers with “1” and follow consecutively throughout the paper. • Superscript note numbers in the text. In the notes themselves, note numbers are full sized, not raised, and followed by a period. Superscripting numbers in both places is also acceptable. In-Text Basics, cont.
  26. 26. The first line of a footnote is indented .5” from the left margin. Subsequent lines within a note should be formatted flush left. Leave an extra line space between notes. In-Text Basics, cont.
  27. 27. A complete “note” citation for a book, which corresponds to a slightly differently formatted bibliography entry, would look like this: 1. Jodi Dean, Democracy and Other Neoliberal Fantasies: Communicative Capitalism and Left Politics (Durham: Duke University Press, 2009), 30. Subsequent note citations can and should be shortened “Shortening” usually comprises the author’s last name and a “keyword” version of the work’s title in four or fewer words. Subsequent citations of Dean would be shortened to: 2. Dean, Democracy and Other Neoliberal Fantasies, 30. In-text Citations: Books
  28. 28. When an editor’s or translator’s name appears in addition to an author’s, the former appears after the latter in notes and in the bibliography. Bibliographic “Edited by” or “Translated by” should be shortened to “ed.” and “trans.” in notes. Plural forms, such as “eds.,” are never used. EX: 6. Immanuel Kant, “An Answer to the Question: What is Enlightenment?” in Perpetual Peace and Other Essays, trans. Ted Humphrey (1784; repr., Indianapolis: Hackett, 1983), 41. In-text Citations: Editors
  29. 29. “Ibid.” is an abbreviation meaning “in the same place.” -Use it when the present note repeats the information of the immediately preceding note. - For example, “Ibid., ##” indicates the same source but different page number(s). Aside from “Ibid.,” Chicago style offers cross-referencing for multiple notes with repeated content (especially for longer, discursive notes). In-text Citations: Ibid
  30. 30. • When a note contains both source documentation and commentary, the latter should follow the former. • Citation and commentary are usually separated by a period, but such comments as “emphasis added” are usually enclosed in parentheses. • Discursive or “substantive” notes comment upon the text and need not necessarily include citations. EX: 75. Lisa Ede and Andrea A. Lunsford, “Collaboration and Concepts of Authorship,” PMLA 116, no. 2 (March 2001): 354-69, Ede and Lunsford note that we all agree that writing is inherently social, yet we still rely on individualistic praxis; we still ascribe to pedagogies that encourage the independent author producing concrete (original, honest and “truthful”) works. Substantive Notes
  31. 31. • A prose quotation of five or more lines should be “blocked.” • The block quotation is singled-spaced and takes no quotation marks, but you should leave an extra line space immediately before and after. Indent the entire quotation .5” (the same as you would the start of a new paragraph). In-text Citations: Formatting Quotations
  32. 32. Chicago has an optional system of five heading levels. Chicago Headings
  33. 33. Here is an example of the five-level heading system: Chicago Headings: An Example
  34. 34. • Position tables and figures after the paragraph in which they’re described. • Cite the source of table and figure information with a “source line” at the bottom of the table or figure. −Source lines are introduced by the word Source(s), followed by a colon, and end with a period. −Cite a source as you would for parenthetical citation, minus the parentheses, and include full information in an entry on your References page. −Acknowledge reproduced or adapted sources appropriately (i.e., data adapted from ___ ). Tables & Figures
  35. 35. Every table should have a number and (a short and descriptive) title. −Flush left on the line above the table. −Table 1. Title without a terminal period Every figure should have a number and a caption. −Flush left on the line below the figure. −Figure 2. Caption with or without a terminal period. Number tables and figures separately, in the order you mention them in the text. −In the text, identify tables and figures by number (“in figure 3”) rather than by location (“below”). Tables & Figures, cont.
  36. 36. The Purdue OWL Purdue Writing Lab @ HEAV 226 Composition textbooks The University of Chicago Press’s The Chicago Manual of Style (16th ed.) Kate L. Turabian’s A Manual for Writers of Research Papers, Theses, and Dissertations (7th ed.). Chicago’s website Additional Resources
  37. 37. The End Chicago’s Notes and Bibliography Formatting and Style Guide AUTHOR: Jessica Clements Brought to you in cooperation with the Purdue Online Writing Lab

Editor's Notes

  • Welcome to “Chicago’s Notes and Bibliography Formatting and Style Guide.” This PowerPoint presentation is designed to introduce your students to the basics of Chicago’s notes and bibliography formatting and style. You might want to supplement the presentation with more detailed information posted on Purdue OWL
  • The University of Chicago’s The Chicago Manual of Style, sixteenth edition, is a reference book that covers the publishing process, style and usage, and two systems of documentation: notes and bibliography and author-date references. It is geared toward publishing professionals and is the source of documentation guidelines in this presentation. Kate L. Turabian’s A Manual for Writers of Research Papers, Theses, and Dissertations, seventh edition, presents Chicago style for students and researchers. It is the source of formatting guidelines in this presentation. Though the two texts mirror one another in the majority of their recommendations, Turabian’s text provides more specific standards for students that would otherwise be regulated by individual journals in the field.
  • This slide presents three basic areas regulated by Chicago that students need to be aware of—stylistics and document format, in-text citations (notes), and end-of-text citations (bibliography). The following slides provide detailed explanations regarding each area.
  • This “Chicago’s Notes and Bibliography Formatting and Style Guide” PowerPoint presentation reflects the most recent guidelines available in the 16th ed. Chicago Manual of Style; however, if you are already familiar with The Chicago Manual of Style in its 15th ed. and/or if desire information about updates to style and formatting guidelines not explicitly covered here, you can find more information at
  • “Ethics, copyright laws, and courtesy to readers require authors to identify the sources of direct quotation or paraphrases and of any facts or opinions not generally known or easily checked” (The University of Chicago 2010, 655). In other words, regulation of stylistics and document format, in-text citations, and end-of-text citations is important for avoiding plagiarism, building author credibility, and facilitating scholastic discourse, not necessarily in that order. Consistency and readability are of upmost importance in this regard.
    Many instructors who require their students to use Chicago formatting and citation style, however, have small exceptions to different Chicago rules the same way that journals in the field may bend some of the more formal formatting and style regulations to better suit their needs. These instructor or journal-specific guidelines should always supersede the more general recommendations of the manuals.
  • The first word in a direct quotation should be capitalized if it begins a sentence, even if it was not capitalized in the original quotation (and vice versa). This can be done “silently” (without demarcation) if it does not affect the meaning of the quoted material; otherwise, indicate the change by placing square brackets around the newly capitalized or lowercased letter.
    Use square brackets and ellipses carefully as borrowed material should always reflect the meaning of the original source; therefore, before altering a direct quotation, ask yourself if you might just as easily paraphrase or weave one or more shorter quotations into the text.
  • Phrases such as “emphasis added” should be placed either in a note or in parentheses following the quotation in the text itself.
  • Sic” is usually only necessary when the mistake is more likely to be charged to the transcriptionist than to the author of the original quotation.
  • Both in notes and in the bibliography, a title is treated with quotation marks or italics based on the type of work it is.
  • Although Chicago takes a minimalist approach to capitalization (or what they call “down” style),The Chicago Manual of Style (16th ed.) dedicates an entire chapter to capitalization guidelines. To discover the various areas of capitalization that Chicago regulates, view the index to chapter 8, “Names and Terms,” at
  • This slide presents the general format of a Chicago-styled paper:
    The text should be typed and printed on standard-sized paper (8.5” x 11”) and should include consistent margins of no less than 1” and no greater than 1.5” on all sides. Chicago recommends a “readable” font, such as Times New Roman or Palatino, and prefers that works be written in 12 pt. (although they will accept 10 pt.). All text in the paper is to be double-spaced with the exception of the following items, which are to be single-spaced: block quotations, table titles and figure captions, footnotes or endnotes, and bibliography or reference list entries. Only one space should follow end-of-sentence punctuation. Page numbers should begin on the first page of text (not on the title page) and should be written in Arabic numerals beginning with “1.” Page numbers can be placed in one of three locations: flush right in the header, centered in the header, or centered in the footer. Note that formatting requirements for theses and dissertations, in particular, may vary.
  • This slide visually presents Chicago format for a title page, which consists of two major sections: title and author information.
    Titles should be centered one-third of the way down the page and written in all capital letters. When subtitles apply, end the title line with a colon and follow with the subtitle on the subsequent line (also written in all capital letters). Several lines later, students should include their name, full course information, and a complete “month-day-year” date on separate, single-spaced lines. Instructors may require additional information, and it is also acceptable practice to place the title on the first page of text.
    No headers or footers are included on the title page, including any page numbers. Page numbers begin with Arabic numeral 1 flush right in the header, centered in the header, or centered in the footer beginning with the first page of actual text.
  • This slide provides the basic reminders about formatting the main body text.
    Double-space all text in the paper, with the following exceptions: Single-space block quotations as well as table titles and figure captions. Single-space notes and bibliographies internally, but leave an extra line space externally between note and bibliographic entries.
  • Label the first page of your back matter, your comprehensive list of sources cited, “Bibliography.” Two blank lines should be left between “Bibliography” and your first entry. One blank line should be left between remaining entries, which should be listed in letter-by-letter alphabetical order according to the first word in each entry. Sources you consulted but did not directly cite may or may not be included (consult your instructor).
  • Chicago’s Notes and Bibliography style is recommended for those in the humanities and some social sciences. It requires using notes to cite sources and/or to provide relevant commentary. Each source that shows up in the text must have a corresponding entry in the references list at the end of the paper. Updates to Chicago are posted on the Chicago website You may also reference the Purdue OWL:
  • This slide provides basic rules related to creating references entries.
  • An example of a bibliographic citation with a stable url is as follows:
    Ede, Lisa and Andrea A. Lunsford. “Collaboration and Concepts of Authorship.” PMLA 116, no. 2 (March 2001): 354-69.
  • The bibliographic citation for Dean’s work would look as follows:
    Dean, Jodi. Democracy and Other Neoliberal Fantasies: Communicative Capitalism and Left Politics. Durham: Duke University Press, 2009.
    For additional examples of note and bibliographic citations for a variety of media, please see, especially the CMS NB Sample paper,
  • The in-text note citation for Kant, here, is an example of a reprinted work. It’s complementary bibliographic entry would look as follows:
    Kant, Immanuel. “An Answer to the Question: What is Enlightenment?” In Perpetual Peace and Other Essays, 41-48. Translated by Ted Humphrey. 1784. Reprint, Indianapolis: Hackett, 1983.
  • Remember: a note number should never appear out of order.
  • Longer papers may require sections, or subheadings. Chicago allows you to devise your own format but privileges consistency. Put an extra line space before and after subheads and avoid ending them with periods.
  • If the table does not fit the remainder of a page, continue the text on that page and place the table at the beginning of the next page. If they table is only “marginally relevant” or too large to fit on a single page, append it.
  • When a figure has a source line, put it at the end of the caption.
    For more information on formatting Chicago-style tables and figures, see chapter 26 of Kate L. Turabian’s A Manual for Writers of Research Papers, Theses, and Dissertations (7th ed.).
  • Writer and Designer: Jessica Clements
    Updating Authors: Ghada M. Gherwash and Joshua M. Paiz, 2014; Arielle McKee, 2014
    Based on slide designs from the OWL “APA Formatting and Style Guide” PowerPoint by Jennifer Liethen Kunka, contributed to by Muriel Harris, Karen Bishop, Bryan Kopp, Matthew Mooney, David Neyhart, and Andrew Kunka and revised by Elizabeth Angeli (2011) and Elena Lawrick (2008).
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