APA (7th ed.) Citation

Romains, J., Wells, W. B., & Hopkins, G. (1933). Men of good will. A.A. Knopf.

Chicago Style (17th ed.) Citation

Romains, Jules, Warre Bradley Wells, and Gerard Hopkins. Men of Good Will. New York: A.A. Knopf, 1933.

MLA (9th ed.) Citation

Romains, Jules, et al. Men of Good Will. A.A. Knopf, 1933.