APA (7th ed.) Citation

Shacklette, H. T., & Boerngen, J. G. (1984). Element concentrations in soils and other surficial materials of the conterminous United States. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Shacklette, Hansford T., and Josephine G. Boerngen. Element Concentrations in Soils and Other Surficial Materials of the Conterminous United States. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1984.

MLA (9th ed.) Citation

Shacklette, Hansford T., and Josephine G. Boerngen. Element Concentrations in Soils and Other Surficial Materials of the Conterminous United States. U.S. Dept. of the Interior, Geological Survey, 1984.