APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). Way to increased airplane engine power. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Way to Increased Airplane Engine Power. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Way to Increased Airplane Engine Power. [s.n.], 1939.