APA (7th ed.) Citation

United States. Army. Air Corps. (1921). Aids for young officers commanding companies. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Aids for Young Officers Commanding Companies. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Army. Air Corps. Aids for Young Officers Commanding Companies. U.S. GPO, 1921.

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