APA (7th ed.) Citation

United States. Army. Ordnance Department. (1920). Story of 75 (75 millimeter field gun). U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Story of 75 (75 Millimeter Field Gun). Washington: U.S. GPO, 1920.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Story of 75 (75 Millimeter Field Gun). U.S. GPO, 1920.

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