APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). The charging process in high-speed, single-cylinder, four-stroke engine. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. The Charging Process in High-speed, Single-cylinder, Four-stroke Engine. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. The Charging Process in High-speed, Single-cylinder, Four-stroke Engine. [s.n.], 1939.