The Publication Manual of the American Psychological Association describes the rules used to write papers following APA style. This style is used in psychology, sociology,business, economics, nursing, social work, and criminology. Information about using APA style can be found in the following places:
Modern Language Association documentation guidelines are often used in the humanities fields, including English, comparative literature, literary criticism, and foreign-languages. Information about using MLA style can be found in the following places:
Chicago style is a documentation style used in history and other humanities fields and utilizes footnotes or endnotes.