APA (7th ed.) Citation

United States. Army. Ordnance Department. (1924). Investigation of foreign gun steels. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Investigation of Foreign Gun Steels. [Washington]: [publisher not identified], 1924.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Investigation of Foreign Gun Steels. [publisher not identified], 1924.

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