APA (7th ed.) Citation

United States. Navy Department. Bureau of Aeronautics. (1931). Lubricants for autogyro hubs, XOP and OP types of airplanes. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Navy Department. Bureau of Aeronautics. Lubricants for Autogyro Hubs, XOP and OP Types of Airplanes. Washington: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Navy Department. Bureau of Aeronautics. Lubricants for Autogyro Hubs, XOP and OP Types of Airplanes. [publisher not identified], 1931.

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