APA (7th ed.) Citation

East, J. A. (2012). Thermal maturity map of Devonian shale in the Illinois, Michigan, and Appalachian Basins of North America. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

East, Joseph A. Thermal Maturity Map of Devonian Shale in the Illinois, Michigan, and Appalachian Basins of North America. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

East, Joseph A. Thermal Maturity Map of Devonian Shale in the Illinois, Michigan, and Appalachian Basins of North America. U.S. Dept. of the Interior, U.S. Geological Survey, 2012.