APA (7th ed.) Citation

Jessup, P. C. (1948). A modern law of nations: An introduction. Macmillan Co..

Chicago Style (17th ed.) Citation

Jessup, Philip C. A Modern Law of Nations: An Introduction. New York: Macmillan Co., 1948.

MLA (9th ed.) Citation

Jessup, Philip C. A Modern Law of Nations: An Introduction. Macmillan Co., 1948.