APA (7th ed.) Citation

Jennings, R. Y. (1960). The progress of international law. Cambridge of the University Press.

Chicago Style (17th ed.) Citation

Jennings, Robert Yewdall. The Progress of International Law. London: Cambridge of the University Press, 1960.

MLA (9th ed.) Citation

Jennings, Robert Yewdall. The Progress of International Law. Cambridge of the University Press, 1960.