APA (7th ed.) Citation

United States. Army. Air Corps. (1919). Gasoline engines. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Gasoline Engines. Washington: U.S. GPO, 1919.

MLA (9th ed.) Citation

United States. Army. Air Corps. Gasoline Engines. U.S. GPO, 1919.

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