Geological Survey (U.S.), Klasner, J. S., & Day, G. W. (1984). Geochemical survey of the Lusk Creek roadless area, Pope County, Illinois. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), J. S. Klasner, and Gordon W. Day. Geochemical Survey of the Lusk Creek Roadless Area, Pope County, Illinois. Reston, VA: The Survey, 1984.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geochemical Survey of the Lusk Creek Roadless Area, Pope County, Illinois. The Survey, 1984.
Warning: These citations may not always be 100% accurate.