APA (7th ed.) Citation

Asch, S., Muir, W., & Muir, E. (1933). Three cities, a trilogy. G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Asch, Shalom, Willa Muir, and Edwin Muir. Three Cities, a Trilogy. New York: G.P. Putnam's sons, 1933.

MLA (9th ed.) Citation

Asch, Shalom, et al. Three Cities, a Trilogy. G.P. Putnam's sons, 1933.