Cita APA (7a ed.)

American Psychological Association. (2009). Publication manual of the American Psychological Association (6. ed.). American Psychological Association.

Cita Chicago Style (17a ed.)

American Psychological Association. Publication Manual of the American Psychological Association. 6. ed. Washington, DC: American Psychological Association, 2009.

Cita MLA (8a ed.)

American Psychological Association. Publication Manual of the American Psychological Association. 6. ed. American Psychological Association, 2009.