APA (7th ed.) Citation

United States. Army. Ordnance Department. (1921). Service handbook of Marlin aircraft machine gun, models of 1916 and 1917. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Service Handbook of Marlin Aircraft Machine Gun, Models of 1916 and 1917. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Service Handbook of Marlin Aircraft Machine Gun, Models of 1916 and 1917. U.S. GPO, 1921.

Warning: These citations may not always be 100% accurate.