APA (7th ed.) Citation

Kaplan, M. A., & Katzenbach, N. d. B. j. a. (1961). The political foundations of international law. Wiley.

Chicago Style (17th ed.) Citation

Kaplan, Morton A., and Nicholas de B. joint auth Katzenbach. The Political Foundations of International Law. New York: Wiley, 1961.

MLA (9th ed.) Citation

Kaplan, Morton A., and Nicholas de B. joint auth Katzenbach. The Political Foundations of International Law. Wiley, 1961.