APA (7th ed.) Citation

Gehring, W. D. (1987). The Marx brothers: A bio-bibliography. Greenwood Press.

Chicago Style (17th ed.) Citation

Gehring, Wes D. The Marx Brothers: A Bio-bibliography. New York: Greenwood Press, 1987.

MLA (9th ed.) Citation

Gehring, Wes D. The Marx Brothers: A Bio-bibliography. Greenwood Press, 1987.