APA (7th ed.) Citation

Trotsky, L., Easterman, M., & Friedberg, M. (1972). The young Lenin. Wren.

Chicago Style (17th ed.) Citation

Trotsky, Leon, Max Easterman, and Maurice Friedberg. The Young Lenin. Melbourne: Wren, 1972.

MLA (8th ed.) Citation

Trotsky, Leon, et al. The Young Lenin. Wren, 1972.