APA (7th ed.) Citation

Jessup, P. C. (1968). A modern law of nations: An introduction. Archon Books.

Chicago Style (17th ed.) Citation

Jessup, Philip Caryl. A Modern Law of Nations: An Introduction. Hamden, CT: Archon Books, 1968.

MLA (9th ed.) Citation

Jessup, Philip Caryl. A Modern Law of Nations: An Introduction. Archon Books, 1968.