APA (7th ed.) Citation

United States. Army. Air Corps. (1919). New types of American motors. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. New Types of American Motors. Washington: U.S. GPO, 1919.

MLA (9th ed.) Citation

United States. Army. Air Corps. New Types of American Motors. U.S. GPO, 1919.

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