APA (7th ed.) Citation

United States. War Department. (1919). Small arms firing manual; changes numbers 25. GPO.

Chicago Style (17th ed.) Citation

United States. War Department. Small Arms Firing Manual; Changes Numbers 25. [Washington]: GPO, 1919.

MLA (9th ed.) Citation

United States. War Department. Small Arms Firing Manual; Changes Numbers 25. GPO, 1919.

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