APA (7th ed.) Citation

Army Ordnance Association (USA) & Army Ordnance Association. (1940). Army ordnance bulletin. [Army Ordnance Association].

Chicago Style (17th ed.) Citation

Army Ordnance Association (USA) and Army Ordnance Association. Army Ordnance Bulletin. [Washington, D.C.]: [Army Ordnance Association], 1940.

MLA (8th ed.) Citation

Army Ordnance Association (USA) and Army Ordnance Association. Army Ordnance Bulletin. [Army Ordnance Association], 1940.

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