United States. Army. Ordnance Department. (1942). Firepower, Sept. 11, 1942. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Army. Ordnance Department. Firepower, Sept. 11, 1942. [Washington]: [s.n.], 1942.
MLA (8th ed.) CitationUnited States. Army. Ordnance Department. Firepower, Sept. 11, 1942. [s.n.], 1942.
Warning: These citations may not always be 100% accurate.