APA (7th ed.) Citation

United States. War Department. (1929). Air Corps: Balloons and accessories. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Department. Air Corps: Balloons and Accessories. [Washington]: [publisher not identified], 1929.

MLA (9th ed.) Citation

United States. War Department. Air Corps: Balloons and Accessories. [publisher not identified], 1929.

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