APA (7th ed.) Citation

United States. War Department. (1927). Ordnance maintenance, infantry and aircraft armament: Pistols and revolvers. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Department. Ordnance Maintenance, Infantry and Aircraft Armament: Pistols and Revolvers. [Washington]: [publisher not identified], 1927.

MLA (9th ed.) Citation

United States. War Department. Ordnance Maintenance, Infantry and Aircraft Armament: Pistols and Revolvers. [publisher not identified], 1927.