APA (7th ed.) Citation

Liebert, R. M., & Spiegler, M. D. (1978). Personality: Strategies and issues (3rd ed.). The Dorsey Press.

Chicago Style (17th ed.) Citation

Liebert, Robert M., and Michael D. Spiegler. Personality: Strategies and Issues. 3rd ed. Illinois: The Dorsey Press, 1978.

MLA (9th ed.) Citation

Liebert, Robert M., and Michael D. Spiegler. Personality: Strategies and Issues. 3rd ed. The Dorsey Press, 1978.