APA (7th ed.) Citation

Roberts, S. B. (2008). Geologic assessment of undiscovered, technically recoverable coalbed-gas resources in Cretaceous and Tertiary rocks, North Slope and adjacent state waters, Alaska. U.S. Dept, of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Roberts, Stephen B. Geologic Assessment of Undiscovered, Technically Recoverable Coalbed-gas Resources in Cretaceous and Tertiary Rocks, North Slope and Adjacent State Waters, Alaska. Reston, Va.: U.S. Dept, of the Interior, U.S. Geological Survey, 2008.

MLA (9th ed.) Citation

Roberts, Stephen B. Geologic Assessment of Undiscovered, Technically Recoverable Coalbed-gas Resources in Cretaceous and Tertiary Rocks, North Slope and Adjacent State Waters, Alaska. U.S. Dept, of the Interior, U.S. Geological Survey, 2008.