Hannum, N. P., Berkopec, F. D., & Zurawski, R. L. (1989). NASA's chemical transfer propulsion program for Pathfinder. National Aeronautics and Space Administration.
Chicago Style (17th ed.) CitationHannum, Ned P., Frank D. Berkopec, and R. L. Zurawski. NASA's Chemical Transfer Propulsion Program for Pathfinder. [Washington, D.C.]: National Aeronautics and Space Administration, 1989.
MLA (9th ed.) CitationHannum, Ned P., et al. NASA's Chemical Transfer Propulsion Program for Pathfinder. National Aeronautics and Space Administration, 1989.
Warning: These citations may not always be 100% accurate.