National and Global Petroleum Resource Assessment Project (U.S.). (2016). Assessment of undiscovered oil and gas resources of the Mississippian Sunbury Shale and Devonian-Mississippian Chattanooga Shale in the Appalachian Basin Province, 2016. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationNational and Global Petroleum Resource Assessment Project (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Mississippian Sunbury Shale and Devonian-Mississippian Chattanooga Shale in the Appalachian Basin Province, 2016. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2016.
MLA (9th ed.) CitationNational and Global Petroleum Resource Assessment Project (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Mississippian Sunbury Shale and Devonian-Mississippian Chattanooga Shale in the Appalachian Basin Province, 2016. U.S. Department of the Interior, U.S. Geological Survey, 2016.