APA (7th ed.) Citation

Phelps, A. E., & Berry, J. D. (1987). Description of the U.S. Army small-scale 2-meter rotor test system. National Aeronautics and Space Administration, Scientific and Technical Information Branch ; U.S. Army Aviation Systems Command.

Chicago Style (17th ed.) Citation

Phelps, Arthur E., and John D. Berry. Description of the U.S. Army Small-scale 2-meter Rotor Test System. [Washington, DC] : [St. Louis, Mo.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch ; U.S. Army Aviation Systems Command, 1987.

MLA (9th ed.) Citation

Phelps, Arthur E., and John D. Berry. Description of the U.S. Army Small-scale 2-meter Rotor Test System. National Aeronautics and Space Administration, Scientific and Technical Information Branch ; U.S. Army Aviation Systems Command, 1987.