The document discusses several documentation styles used in academic writing. It provides information on MLA style, which is used in the humanities, and APA style, which is used in the social sciences. It explains the core elements of citations in these styles such as author name, publication date, and source title. The document also covers topics like citing multiple authors, images, and videos in MLA style and DOIs in APA style. It concludes by listing several other common documentation styles used in different fields.