Conclusion. Chicago style and APA style both require you to list your sources at the end of your paper, but they differ in how you present this information in the body of your text. Some people find it easier to use the APA format because it is simpler than Chicago. Others find the Chicago Method easier for academic writing, the documentation systems of the Chicago Manual of Style: Notes-Bibliography System Notes-Bib, used by scholars of literature, history and the arts, uses in-text superscript notes 1 and corresponding footnotes at the bottom of each page or endnotes at the end of the document, and may use a list of references from all sources. Style guides aren't just for formatting citations and references. They are used to organize the content of your entire article. There are three main citation styles used in the humanities and social sciences: APA, Chicago, and MLA. Health sciences use AMA and science research includes a range of styles based on the Turabian style – a variation of the Chicago style used in many disciplines in the humanities, social and natural sciences. Turabian Quick Guide - Official online version from the University of Chicago Press. Kate Turabian s A Manual for Writers of Term Papers, Theses and th Edition Call number: Reference Publication Manual of the American Psychological Association, 7th Edition by American Psychological Association The publication manual of the American Psychological Association, seventh edition, is the source official APA Style. It guides users through the scientific writing process, from the ethics of authorship to reporting,