APA (7th ed.) Citation

Novarck, G., Frankel, D., & Feldman, F. (1974). The first three Internationals: Their history and lessons. New York: Pathfinder.

Chicago Style (17th ed.) Citation

Novarck, George, Dave Frankel, and Fred Feldman. The First Three Internationals: Their History and Lessons. New York: Pathfinder, 1974.

MLA (8th ed.) Citation

Novarck, George, et al. The First Three Internationals: Their History and Lessons. New York: Pathfinder, 1974.