APA (7th ed.) Citation

United States. Army. Ordnance Department. (1941). Ordnance maintenance.: Sights, M4, M3 (for 60-MM and 81-MM motar matériel); sights M2A3, M2A1, M2 (for 81-MM mortar matériel). [U.S. Govt. print. off].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Ordnance Maintenance.: Sights, M4, M3 (for 60-MM and 81-MM Motar Matériel); Sights M2A3, M2A1, M2 (for 81-MM Mortar Matériel). [Washington]: [U.S. Govt. print. off], 1941.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Ordnance Maintenance.: Sights, M4, M3 (for 60-MM and 81-MM Motar Matériel); Sights M2A3, M2A1, M2 (for 81-MM Mortar Matériel). [U.S. Govt. print. off], 1941.