APA (7th ed.) Citation

Hopkins, J. A. H. (1928). Machine-gun diplomacy. Lewis Copeland.

Chicago Style (17th ed.) Citation

Hopkins, John Appleton Haven. Machine-gun Diplomacy. New York: Lewis Copeland, 1928.

MLA (9th ed.) Citation

Hopkins, John Appleton Haven. Machine-gun Diplomacy. Lewis Copeland, 1928.