APA (7th ed.) Citation

Feldman, R. S. (2009). Understanding psychology (9th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Feldman, Robert S. Understanding Psychology. 9th ed. New York: McGraw-Hill, 2009.

MLA (8th ed.) Citation

Feldman, Robert S. Understanding Psychology. 9th ed. McGraw-Hill, 2009.