APA (7th ed.) Citation

National Geophysical Data Center, United States. Environmental Protection Agency, Kineman, J. J., & Ohrenschall, M. A. (1992). Global ecosystems database (Version 1.0.). EPA Global Climate Research Program, NOAA/NGDC Global Change Database Program.

Chicago Style (17th ed.) Citation

National Geophysical Data Center, United States. Environmental Protection Agency, John J. Kineman, and Mark. A. Ohrenschall. Global Ecosystems Database. Version 1.0. Boulder, Colo.: EPA Global Climate Research Program, NOAA/NGDC Global Change Database Program, 1992.

MLA (9th ed.) Citation

National Geophysical Data Center, et al. Global Ecosystems Database. Version 1.0. EPA Global Climate Research Program, NOAA/NGDC Global Change Database Program, 1992.