APA (7th ed.) Citation

United States. Army. Air Corps. (1931). Supply: Parachutes, accounting for by serial number. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Supply: Parachutes, Accounting for by Serial Number. Washington: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Army. Air Corps. Supply: Parachutes, Accounting for by Serial Number. [publisher not identified], 1931.

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