APA (7th ed.) Citation

(1939). Measurement of the air-flow velocity in the cylinder of an airplane engine. [s.n.].

Chicago Style (17th ed.) Citation

Measurement of the Air-flow Velocity in the Cylinder of an Airplane Engine. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

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.