APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). Corrugated metal diaphragms for aircraft pressure℗--measuring instruments. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Corrugated Metal Diaphragms for Aircraft Pressure℗--measuring Instruments. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Corrugated Metal Diaphragms for Aircraft Pressure℗--measuring Instruments. [s.n.], 1939.