APA (7th ed.) Citation

Novack, G. E., Frankel, D., & Feldman, F. (1974). The first three Internationals: Their history and lessons. Pathfinder Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Novack, George Edward, et al. The First Three Internationals: Their History and Lessons. Pathfinder Press, 1974.