United States. National Advisory Committee for Aeronautics. (1938). The pressure available for ground cooling in front of cowling of air-cooled airplane engines. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. The Pressure Available for Ground Cooling in Front of Cowling of Air-cooled Airplane Engines. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. The Pressure Available for Ground Cooling in Front of Cowling of Air-cooled Airplane Engines. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.