APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). Loads imposed on intermediate frames of stiffened shells. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Loads Imposed on Intermediate Frames of Stiffened Shells. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Loads Imposed on Intermediate Frames of Stiffened Shells. [s.n.], 1939.