APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). The unsteady lift of a finite wing. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. The Unsteady Lift of a Finite Wing. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. The Unsteady Lift of a Finite Wing. [s.n.], 1939.