APA (7th ed.) Citation

Hadwen, J. G., & Kaufmann, J. (1962). How United Nations decisions are made (2d rev. ed.). Sythoff.

Chicago Style (17th ed.) Citation

Hadwen, John G., and Johan Kaufmann. How United Nations Decisions Are Made. 2d rev. ed. Leyden: Sythoff, 1962.

MLA (9th ed.) Citation

Hadwen, John G., and Johan Kaufmann. How United Nations Decisions Are Made. 2d rev. ed. Sythoff, 1962.