APA (7th ed.) Citation

United States. Army. Air Corps. (1921). Discharge of gas from pipes. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Discharge of Gas from Pipes. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Army. Air Corps. Discharge of Gas from Pipes. U.S. GPO, 1921.

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