This document provides information on citations and how to cite sources. It defines a citation as referencing a source of information by listing the author, date of publication, title, and publisher when citing a book. When citing an article, the citation includes the author, date, article title, journal or periodical, volume, issue, and page numbers. Different citation styles like APA and MLA are used depending on the discipline. Basic elements of a citation for a book, book chapter, and journal article are described. The document explains how to find sources to cite, whether they are books that can be found in the library catalog or articles that can be located through journal title indexes.