Cita APA (7a ed.)

Trimmer, J. F. (2013). A guide to APA documentation. Wadsworth/Cengage.

Cita Chicago Style (17a ed.)

Trimmer, Joseph F. A Guide to APA Documentation. Boston: Wadsworth/Cengage, 2013.

Cita MLA (9a ed.)

Trimmer, Joseph F. A Guide to APA Documentation. Wadsworth/Cengage, 2013.