APA (7th ed.) Citation

National Cooperative Geologic Mapping Program (U.S.). (2020). GeMS (Geologic Map Schema): A standard format for the digital publication of geologic maps. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

National Cooperative Geologic Mapping Program (U.S.). GeMS (Geologic Map Schema): A Standard Format for the Digital Publication of Geologic Maps. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2020.

MLA (9th ed.) Citation

National Cooperative Geologic Mapping Program (U.S.). GeMS (Geologic Map Schema): A Standard Format for the Digital Publication of Geologic Maps. U.S. Department of the Interior, U.S. Geological Survey, 2020.