APA (7th ed.) Citation

Knipping, F., & Dietl, R. (1997). The United Nations system and its predecesors. University Press.

Chicago Style (17th ed.) Citation

Knipping, Franz, and Ralph Dietl. The United Nations System and Its Predecesors. Oxford [etc.]: University Press, 1997.

MLA (9th ed.) Citation

Knipping, Franz, and Ralph Dietl. The United Nations System and Its Predecesors. University Press, 1997.

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