This document discusses bibliographies and how to format them. It defines a bibliography as a list of all sources used in researching a work. Bibliographies acknowledge sources, allow readers to consult sources, and are organized alphabetically. The document outlines different bibliography styles like APA and MLA and how to format source citations with author name, date, title, and URL. It also discusses citing works with unknown or multiple authors and providing publication dates. Lastly, the document notes that bibliographies exist for specific subjects, groups, or historical works and how to format online sources.