United States. National Advisory Committee for Aeronautics. (1939). Measurement of the air-flow velocity in the cylinder of an airplane engine. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Measurement of the Air-flow Velocity in the Cylinder of an Airplane Engine. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Measurement of the Air-flow Velocity in the Cylinder of an Airplane Engine. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.