Cita APA

Feldman, R. S. (2005). Understanding Psychology (7th ed.). McGraw-Hill Companies, Inc..

Citación estilo Chicago

Feldman, Robert S. Understanding Psychology. 7th ed. Boston: McGraw-Hill Companies, Inc., 2005.

Cita MLA

Feldman, Robert S. Understanding Psychology. 7th ed. McGraw-Hill Companies, Inc., 2005.