APA (7th ed.) Citation

Kay, D. A. (1967). The United Nations political system. Wiley.

Chicago Style (17th ed.) Citation

Kay, David A. The United Nations Political System. New York: Wiley, 1967.

MLA (9th ed.) Citation

Kay, David A. The United Nations Political System. Wiley, 1967.

Warning: These citations may not always be 100% accurate.