APA (7th ed.) Citation

United States. Army. Ordnance Department. (1941). Ordnance maintenance.: Elevation quadrant M1. [U.S. Govt. print. off].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Ordnance Maintenance.: Elevation Quadrant M1. [Washington]: [U.S. Govt. print. off], 1941.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Ordnance Maintenance.: Elevation Quadrant M1. [U.S. Govt. print. off], 1941.

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