APA (7th ed.) Citation

Knorr, K. E. (1969). Contending approaches to international politics. Princeton University Press.

Chicago Style (17th ed.) Citation

Knorr, Klaus Eugen. Contending Approaches to International Politics. Princeton, N.J: Princeton University Press, 1969.

MLA (9th ed.) Citation

Knorr, Klaus Eugen. Contending Approaches to International Politics. Princeton University Press, 1969.