APA (7th ed.) Citation

Planetary Geology and Geophysics Program (U.S.) & Holt, H. E. (1990). Directory of research projects. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Available from the National Technical Information Service.

Chicago Style (17th ed.) Citation

Planetary Geology and Geophysics Program (U.S.) and Henry E. Holt. Directory of Research Projects. Washington, D.C. : Springfield, VA: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Available from the National Technical Information Service, 1990.

MLA (9th ed.) Citation

Planetary Geology and Geophysics Program (U.S.) and Henry E. Holt. Directory of Research Projects. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Available from the National Technical Information Service, 1990.