APA (7th ed.) Citation

Morgenthau, H. J. (1951). In defense of the national interest: A critical examination of American foreign policy. Knopf.

Chicago Style (17th ed.) Citation

Morgenthau, Hans Joachim. In Defense of the National Interest: A Critical Examination of American Foreign Policy. New York: Knopf, 1951.

MLA (9th ed.) Citation

Morgenthau, Hans Joachim. In Defense of the National Interest: A Critical Examination of American Foreign Policy. Knopf, 1951.