American, P. A. (2011). Publication Manual of the american psycological association. APA.
Cita Chicago Style (17a ed.)American, Psychological Association. Publication Manual of the American Psycological Association. APA, 2011.
Cita MLA (9a ed.)American, Psychological Association. Publication Manual of the American Psycological Association. APA, 2011.
Precaución: Estas citas no son 100% exactas.