APA (7th ed.) Citation

Feldman, R. S. (1990). Understanding psychology (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Feldman, Robert S. Understanding Psychology. 2nd ed. New York: McGraw-Hill, 1990.

MLA (9th ed.) Citation

Feldman, Robert S. Understanding Psychology. 2nd ed. McGraw-Hill, 1990.