APA (7th ed.) Citation

Geological Survey (U.S.). (2001). Economic and environmental evaluations of extractable coal resources conducted by the U.S. Geological Survey. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Economic and Environmental Evaluations of Extractable Coal Resources Conducted by the U.S. Geological Survey. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

Geological Survey (U.S.). Economic and Environmental Evaluations of Extractable Coal Resources Conducted by the U.S. Geological Survey. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.