APA (7th ed.) Citation

United States. Army. Air Corps. (1939). Air Corps News Letter, Vol. XXII, No. 6, Mar. 15, 1939. [s.n.].

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Air Corps News Letter, Vol. XXII, No. 6, Mar. 15, 1939. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Army. Air Corps. Air Corps News Letter, Vol. XXII, No. 6, Mar. 15, 1939. [s.n.], 1939.

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