APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1938). N.A.C.A. Stall-warning indicator. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. N.A.C.A. Stall-warning Indicator. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. N.A.C.A. Stall-warning Indicator. [s.n.], 1938.

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