APA citiranje

Williams, S. C. (1956). Report on the helicopter: The helicopter and its role as a transport vehicle. Edwards Brothers, Inc.

Chicago Style (17th ed.) Citation

Williams, Samuel Clay. Report on the Helicopter: The Helicopter and Its Role as a Transport Vehicle. Ann Arbor, Michigan: Edwards Brothers, Inc, 1956.

MLA citiranje

Williams, Samuel Clay. Report on the Helicopter: The Helicopter and Its Role as a Transport Vehicle. Edwards Brothers, Inc, 1956.