APA (7th ed.) Citation

Brodbeck, M., Gray, J., & Metzger, W. (1952). American non-fiction: 1900 - 1950. Regnery.

Chicago Style (17th ed.) Citation

Brodbeck, May, James Gray, and Walter Metzger. American Non-fiction: 1900 - 1950. Chicago: Regnery, 1952.

MLA (9th ed.) Citation

Brodbeck, May, et al. American Non-fiction: 1900 - 1950. Regnery, 1952.