Keys, J. N., & Nelson, W. J. (1980). The Rend Lake fault system in southern Illinois. Illinois Institute of Natural Resources, Illinois State Geological Survey.
Chicago Style (17th ed.) CitationKeys, John N., and W. John Nelson. The Rend Lake Fault System in Southern Illinois. Urbana, Ill.: Illinois Institute of Natural Resources, Illinois State Geological Survey, 1980.
MLA (9th ed.) CitationKeys, John N., and W. John Nelson. The Rend Lake Fault System in Southern Illinois. Illinois Institute of Natural Resources, Illinois State Geological Survey, 1980.
Warning: These citations may not always be 100% accurate.