There are four major style manuals published in the print format. Instructors generally require students to use one of these four for citing references:
- The Chicago Manual of Style. (2010). Chicago: The University of Chicago Press. (16th edition)
- Turabian Kate L. (2013) A Manual for Writers of Term Papers, Theses, and Dissertations. (Revised edition/sixth ed.) Chicago: The University of Chicago Press.
- The MLA Style Manual. (2009). New York: The Modern Language Association of America. (7th ed.)
- Publication Manual of the American Psychological Association. (2010) Sixth edition. Washington: APA.