APA (7th ed.) Citation

United States. Army. Ordnance Department. (1876). Eighty-ton gun; and breech-loading versus muzzle-loading. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Eighty-ton Gun; and Breech-loading Versus Muzzle-loading. [Washington]: [publisher not identified], 1876.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Eighty-ton Gun; and Breech-loading Versus Muzzle-loading. [publisher not identified], 1876.