Feldman, R. S. (1993). Understanding psychology (3rd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Feldman, Robert S. Understanding Psychology. 3rd ed. New York [etc.]: McGraw-Hill, 1993.
Cita MLA (9a ed.)Feldman, Robert S. Understanding Psychology. 3rd ed. McGraw-Hill, 1993.
Precaución: Estas citas no son 100% exactas.