APA (7th ed.) Citation

Geological Survey (U.S.), Energy Resource Surveys Program (Geological Survey), & Ridgley, J. L. (1997). A rebirth of the Illinois Basin. U.S. Geological Survey, Energy Resource Surveys Program.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Energy Resource Surveys Program (Geological Survey), and Jennie L. Ridgley. A Rebirth of the Illinois Basin. [Denver, CO]: U.S. Geological Survey, Energy Resource Surveys Program, 1997.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. A Rebirth of the Illinois Basin. U.S. Geological Survey, Energy Resource Surveys Program, 1997.