APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1939). Drag of airplane radiators with special reference to air heating. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Drag of Airplane Radiators with Special Reference to Air Heating. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Drag of Airplane Radiators with Special Reference to Air Heating. [s.n.], 1939.