Cita APA (7a ed.)

Feldman, R. S. (1999). Understanding psychology (Fifth edition.). McGraw-Hill College.

Cita Chicago Style (17a ed.)

Feldman, Robert S. Understanding Psychology. Fifth edition. Boston: McGraw-Hill College, 1999.

Cita MLA (8a ed.)

Feldman, Robert S. Understanding Psychology. Fifth edition. McGraw-Hill College, 1999.