Citazione Stile APA (7a Edizione)

Liebert, R. M., & Spiegler, M. D. (1987). Personality: Strategies and issues (5th ed.). Dorsey Press.

Citazione stile Chigago Style (17a edizione)

Liebert, Robert M., e Michael D. Spiegler. Personality: Strategies and Issues. 5th ed. Chicago, Ill: Dorsey Press, 1987.

Citatione MLA (9a ed.)

Liebert, Robert M., e Michael D. Spiegler. Personality: Strategies and Issues. 5th ed. Dorsey Press, 1987.