APA (7th ed.) Citation

National Geophysical Data Center & United States. National Ocean Service. (1994). Gravity CD. NOAA's National Geophysical Data Center.

Chicago Style (17th ed.) Citation

National Geophysical Data Center and United States. National Ocean Service. Gravity CD. Boulder, Colo., U.S.A.: NOAA's National Geophysical Data Center, 1994.

MLA (9th ed.) Citation

National Geophysical Data Center and United States. National Ocean Service. Gravity CD. NOAA's National Geophysical Data Center, 1994.