APA (7th ed.) Citation

United States. Army. Ordnance Department & United States. War Department. (1941). Ordnance maintenance, quadrant sights, M1917, M1917A1, M1918, and M1918A1. War Dept. : U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department and United States. War Department. Ordnance Maintenance, Quadrant Sights, M1917, M1917A1, M1918, and M1918A1. Washington [D.C.]: War Dept. : U.S. G.P.O., 1941.

MLA (9th ed.) Citation

United States. Army. Ordnance Department and United States. War Department. Ordnance Maintenance, Quadrant Sights, M1917, M1917A1, M1918, and M1918A1. War Dept. : U.S. G.P.O., 1941.