APA (7th ed.) Citation

United States. Army. Ordnance Department. (1879). Protruding firing-pins. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Protruding Firing-pins. [Washington]: [publisher not identified], 1879.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Protruding Firing-pins. [publisher not identified], 1879.

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