Cita APA (7th ed.)

Feldman, R. S. (2011). Understanding Psychology (10th ed.). McGraw-Hill Companies, Inc..

Cita Chicago (17th ed.)

Feldman, Robert S. Understanding Psychology. 10th ed. New York: McGraw-Hill Companies, Inc., 2011.

Cita MLA (9th ed.)

Feldman, Robert S. Understanding Psychology. 10th ed. McGraw-Hill Companies, Inc., 2011.

Atenció: Aquestes cites poden no estar 100% correctes.