APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). Calculation of induced efficiency of heavily loaded propellers having infinite number of blades; Induced efficiency of optimum propellers having finite number of blades; Prospects of propeller drive for high flying speeds. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Calculation of Induced Efficiency of Heavily Loaded Propellers Having Infinite Number of Blades; Induced Efficiency of Optimum Propellers Having Finite Number of Blades; Prospects of Propeller Drive for High Flying Speeds. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Calculation of Induced Efficiency of Heavily Loaded Propellers Having Infinite Number of Blades; Induced Efficiency of Optimum Propellers Having Finite Number of Blades; Prospects of Propeller Drive for High Flying Speeds. [s.n.], 1939.