APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1938). Wind℗--tunnel investigations on flexural-torsional wing flutter. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Wind℗--tunnel Investigations on Flexural-torsional Wing Flutter. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Wind℗--tunnel Investigations on Flexural-torsional Wing Flutter. [s.n.], 1938.