APA (7th ed.) Citation

Morgenthau, H. J., & Thompson, K. W. (1950). Principles & problems of international politics: Selected readings. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Morgenthau, Hans Joachim, and Kenneth W. Thompson. Principles & Problems of International Politics: Selected Readings. New York: Alfred A. Knopf, 1950.

MLA (9th ed.) Citation

Morgenthau, Hans Joachim, and Kenneth W. Thompson. Principles & Problems of International Politics: Selected Readings. Alfred A. Knopf, 1950.