APA (7th ed.) Citation

Higley, D. K. (2019). Assessment of undiscovered gas resources in the Middle Devonian Marcellus Shale of the Appalachian Basin Province, 2019. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Higley, Debra K. Assessment of Undiscovered Gas Resources in the Middle Devonian Marcellus Shale of the Appalachian Basin Province, 2019. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2019.

MLA (9th ed.) Citation

Higley, Debra K. Assessment of Undiscovered Gas Resources in the Middle Devonian Marcellus Shale of the Appalachian Basin Province, 2019. U.S. Department of the Interior, U.S. Geological Survey, 2019.