APA (7th ed.) Citation

United States. Army. Air Corps. (1938). Air Corps News Letter, Vol. XXI, No. 24, Dec. 15, 1938. [s.n.].

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Air Corps News Letter, Vol. XXI, No. 24, Dec. 15, 1938. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Army. Air Corps. Air Corps News Letter, Vol. XXI, No. 24, Dec. 15, 1938. [s.n.], 1938.

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