Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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