APA (7th ed.) Citation

Geological Survey (U.S.). (2008). Assessment of undiscovered biogenic gas resources, North-Central Montana Province. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Assessment of Undiscovered Biogenic Gas Resources, North-Central Montana Province. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2008.

MLA (9th ed.) Citation

Geological Survey (U.S.). Assessment of Undiscovered Biogenic Gas Resources, North-Central Montana Province. U.S. Dept. of the Interior, U.S. Geological Survey, 2008.