APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1937). Noise from propellers with symmetrical sections at zero blade angle. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Noise from Propellers with Symmetrical Sections at Zero Blade Angle. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Noise from Propellers with Symmetrical Sections at Zero Blade Angle. [s.n.], 1937.