Cita APA (7a ed.)

The American Psychological Association. (2010). Publication Manual, sixth Edition (6th ed.). The American Psychological Association.

Cita Chicago Style (17a ed.)

The American Psychological Association. Publication Manual, Sixth Edition. 6th ed. Washington D.C: The American Psychological Association, 2010.

Cita MLA (9a ed.)

The American Psychological Association. Publication Manual, Sixth Edition. 6th ed. The American Psychological Association, 2010.