APA (7th ed.) Citation

United States. War Plans Division. (1915). Study on development of large caliber, mobile artillery, and machine guns in present European War. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. War Plans Division. Study on Development of Large Caliber, Mobile Artillery, and Machine Guns in Present European War. Washington: U.S. GPO, 1915.

MLA (9th ed.) Citation

United States. War Plans Division. Study on Development of Large Caliber, Mobile Artillery, and Machine Guns in Present European War. U.S. GPO, 1915.

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