United States. National Aeronautics and Space Administration. Scientific and Technical Information Division & Hodge, K. E. (1991). Proceedings of the X-15 first flight 30th anniversary celebration: Proceedings of an anniversary celebration held at NASA Ames Research Center, Dryden Flight Research Facility, Edwards, California, June 8, 1989. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division.
Chicago Style (17th ed.) CitationUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Division and Kenneth E. Hodge. Proceedings of the X-15 First Flight 30th Anniversary Celebration: Proceedings of an Anniversary Celebration Held at NASA Ames Research Center, Dryden Flight Research Facility, Edwards, California, June 8, 1989. Washington, D.C.: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1991.
MLA (9th ed.) CitationUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Division and Kenneth E. Hodge. Proceedings of the X-15 First Flight 30th Anniversary Celebration: Proceedings of an Anniversary Celebration Held at NASA Ames Research Center, Dryden Flight Research Facility, Edwards, California, June 8, 1989. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1991.