APA (7th ed.) Citation

Fort Union Coal Assessment Team (Geological Survey). (1999). 1999 resource assessment of selected tertiary coal beds and zones in the northern Rocky Mountains and Great Plains region. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Fort Union Coal Assessment Team (Geological Survey). 1999 Resource Assessment of Selected Tertiary Coal Beds and Zones in the Northern Rocky Mountains and Great Plains Region. [Reston, Virginia]: U.S. Department of the Interior, U.S. Geological Survey, 1999.

MLA (9th ed.) Citation

Fort Union Coal Assessment Team (Geological Survey). 1999 Resource Assessment of Selected Tertiary Coal Beds and Zones in the Northern Rocky Mountains and Great Plains Region. U.S. Department of the Interior, U.S. Geological Survey, 1999.