APA (7th ed.) Citation

Smith, D. B. (2013). Geochemical and mineralogical data for soils of the conterminous United States. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Smith, David B. Geochemical and Mineralogical Data for Soils of the Conterminous United States. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2013.

MLA (9th ed.) Citation

Smith, David B. Geochemical and Mineralogical Data for Soils of the Conterminous United States. U.S. Department of the Interior, U.S. Geological Survey, 2013.