National Assessment of Oil and Gas Project (U.S.). (2011). Assessment of undiscovered oil and gas resources of the Devonian Marcellus Shale of the Appalachian Basin Province, 2011. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationNational Assessment of Oil and Gas Project (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Devonian Marcellus Shale of the Appalachian Basin Province, 2011. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2011.
MLA (9th ed.) CitationNational Assessment of Oil and Gas Project (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Devonian Marcellus Shale of the Appalachian Basin Province, 2011. U.S. Department of the Interior, U.S. Geological Survey, 2011.