APA (7th ed.) Citation

Force, E. R., & Gazdik, G. C. (1983). Mineral resource potential map of the Little Frog roadless area, Polk County, Tennessee. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Force, Eric R., and Gertrude C. Gazdik. Mineral Resource Potential Map of the Little Frog Roadless Area, Polk County, Tennessee. Reston, Va.: U.S. Geological Survey, 1983.

MLA (9th ed.) Citation

Force, Eric R., and Gertrude C. Gazdik. Mineral Resource Potential Map of the Little Frog Roadless Area, Polk County, Tennessee. U.S. Geological Survey, 1983.