APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). Tests of related forward-camber airfoils in the variable-density wind tunnel. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Tests of Related Forward-camber Airfoils in the Variable-density Wind Tunnel. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Tests of Related Forward-camber Airfoils in the Variable-density Wind Tunnel. [s.n.], 1939.