APA (7th ed.) Citation

Zimmerman, P. D., & Goldblatt, B. (1968). The Marx Brothers at the movies. Putnam.

Chicago Style (17th ed.) Citation

Zimmerman, Paul D., and Burt Goldblatt. The Marx Brothers at the Movies. New York: Putnam, 1968.

MLA (9th ed.) Citation

Zimmerman, Paul D., and Burt Goldblatt. The Marx Brothers at the Movies. Putnam, 1968.