APA (7th ed.) Citation

Scholle, P. A. (1977). Current oil and gas production from North American upper Cretaceous chalks. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Scholle, Peter A. Current Oil and Gas Production from North American Upper Cretaceous Chalks. Reston, Va.: Dept. of the Interior, Geological Survey, 1977.

MLA (9th ed.) Citation

Scholle, Peter A. Current Oil and Gas Production from North American Upper Cretaceous Chalks. Dept. of the Interior, Geological Survey, 1977.