APA (7th ed.) Citation

United States. Army. Air Corps. (1921). Treatise for radio mechanics. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Treatise for Radio Mechanics. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Army. Air Corps. Treatise for Radio Mechanics. U.S. GPO, 1921.

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