APA (7th ed.) Citation

United States. Army. Ordnance Department. (1877). Eighty-ton gun. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Eighty-ton Gun. [Washington]: [publisher not identified], 1877.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Eighty-ton Gun. [publisher not identified], 1877.

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