APA (7th ed.) Citation

Neuzil, S. G., Dulong, F. T., & Cecil, C. B. (2005). Spatial trends in ash yield, sulfur, selenium, and other selected trace element concentrations in coal beds of the Appalachian Plateau Region, U.S.A (Version 1.0.). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Neuzil, Sandra G., F. T. Dulong, and C. B. Cecil. Spatial Trends in Ash Yield, Sulfur, Selenium, and Other Selected Trace Element Concentrations in Coal Beds of the Appalachian Plateau Region, U.S.A. Version 1.0. Reston, Va.: U.S. Geological Survey, 2005.

MLA (9th ed.) Citation

Neuzil, Sandra G., et al. Spatial Trends in Ash Yield, Sulfur, Selenium, and Other Selected Trace Element Concentrations in Coal Beds of the Appalachian Plateau Region, U.S.A. Version 1.0. U.S. Geological Survey, 2005.