APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1938). Gyroscopic instruments for instrument flying. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Gyroscopic Instruments for Instrument Flying. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Gyroscopic Instruments for Instrument Flying. [s.n.], 1938.

Warning: These citations may not always be 100% accurate.