Geological Survey (U.S.), Force, E. R., & Siems, D. F. (1986). Geochemical survey of the Little Frog Roadless Area, Polk County, Tennessee. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Eric R. Force, and David F. Siems. Geochemical Survey of the Little Frog Roadless Area, Polk County, Tennessee. Reston, Va.: The Survey, 1986.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geochemical Survey of the Little Frog Roadless Area, Polk County, Tennessee. The Survey, 1986.
Warning: These citations may not always be 100% accurate.