APA (7th ed.) Citation

United States. Army. Ordnance Department. (1881). Machine guns: Nordenfelt machine guns (Palmcrantz's system). [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Machine Guns: Nordenfelt Machine Guns (Palmcrantz's System). [Washington]: [publisher not identified], 1881.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Machine Guns: Nordenfelt Machine Guns (Palmcrantz's System). [publisher not identified], 1881.

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