APA (7th ed.) Citation

United States. Army. Air Corps. (1920). Comparative test of auxiliary starting devices for Liberty engine. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Comparative Test of Auxiliary Starting Devices for Liberty Engine. Washington: U.S. GPO, 1920.

MLA (9th ed.) Citation

United States. Army. Air Corps. Comparative Test of Auxiliary Starting Devices for Liberty Engine. U.S. GPO, 1920.

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