APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1938). Study of torque equilibrium of autogiro rotor. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Study of Torque Equilibrium of Autogiro Rotor. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Study of Torque Equilibrium of Autogiro Rotor. [s.n.], 1938.