APA (7th ed.) Citation

Smith. (2003). Machine gun: The story of the men and the weapon that changed the face of war (1st U.S. ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Smith. Machine Gun: The Story of the Men and the Weapon That Changed the Face of War. 1st U.S. ed. New York: St. Martin's Press, 2003.

MLA (8th ed.) Citation

Smith. Machine Gun: The Story of the Men and the Weapon That Changed the Face of War. 1st U.S. ed. St. Martin's Press, 2003.