APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). Theory of contra-vanes applied to propeller. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Theory of Contra-vanes Applied to Propeller. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Theory of Contra-vanes Applied to Propeller. [s.n.], 1939.

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