APA (7th ed.) Citation

National Cooperative Geologic Mapping Program (U.S.). The national geologic map database: Developing a distributed archive of standardized geoscience information for the nation. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

National Cooperative Geologic Mapping Program (U.S.). The National Geologic Map Database: Developing a Distributed Archive of Standardized Geoscience Information for the Nation. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey.

MLA (9th ed.) Citation

National Cooperative Geologic Mapping Program (U.S.). The National Geologic Map Database: Developing a Distributed Archive of Standardized Geoscience Information for the Nation. U.S. Department of the Interior, U.S. Geological Survey.