APA (7th ed.) Citation

Nicholas, H. G. (1975). The United Nations as a political institution (5th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Nicholas, Herbert George. The United Nations as a Political Institution. 5th ed. Oxford University Press, 1975.