APA (7th ed.) Citation

Nicholas. (1975). The United Nations: As a political institution (5th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Nicholas. The United Nations: As a Political Institution. 5th ed. London: Oxford University Press, 1975.

MLA (8th ed.) Citation

Nicholas. The United Nations: As a Political Institution. 5th ed. Oxford University Press, 1975.