APA (7th ed.) Citation

United States. National Aeronautics and Space Administration, United States. Army Aviation Systems Command, & Litvin, F. L. (1989). Computerized inspection of gear tooth surfaces. National Aeronautics and Space Administration ; US Army Aviation Systems Command.

Chicago Style (17th ed.) Citation

United States. National Aeronautics and Space Administration, United States. Army Aviation Systems Command, and F. L. Litvin. Computerized Inspection of Gear Tooth Surfaces. [Washington, D.C.] : [St. Louis, Mo.]: National Aeronautics and Space Administration ; US Army Aviation Systems Command, 1989.

MLA (9th ed.) Citation

United States. National Aeronautics and Space Administration, et al. Computerized Inspection of Gear Tooth Surfaces. National Aeronautics and Space Administration ; US Army Aviation Systems Command, 1989.