Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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