APA (7th ed.) Citation

Hjelle, L. A., & Ziegler, D. J. (1976). Personality theories: Basic assumptions, research, and applications. McGraw-Hill.

Chicago Style (17th ed.) Citation

Hjelle, Larry A., and Daniel J. Ziegler. Personality Theories: Basic Assumptions, Research, and Applications. New York: McGraw-Hill, 1976.

MLA (9th ed.) Citation

Hjelle, Larry A., and Daniel J. Ziegler. Personality Theories: Basic Assumptions, Research, and Applications. McGraw-Hill, 1976.