APA (7th ed.) Citation

Knorr, K. E., & Rosenau, J. N. (1969). Contending approaches to international politics. Princeton University.

Chicago Style (17th ed.) Citation

Knorr, Klaus E., and James N. Rosenau. Contending Approaches to International Politics. Princeton: Princeton University, 1969.

MLA (9th ed.) Citation

Knorr, Klaus E., and James N. Rosenau. Contending Approaches to International Politics. Princeton University, 1969.