APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1937). Experimental investigation of the problem of surface roughness. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Experimental Investigation of the Problem of Surface Roughness. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Experimental Investigation of the Problem of Surface Roughness. [s.n.], 1937.