APA (7th ed.) Citation

Levy, J., & Munroe, R. L. (1966). The happy family (20. printing.). Knopf.

Chicago Style (17th ed.) Citation

Levy, John, and Ruth Learned Munroe. The Happy Family. 20. printing. New York: Knopf, 1966.

MLA (9th ed.) Citation

Levy, John, and Ruth Learned Munroe. The Happy Family. 20. printing. Knopf, 1966.