APA (7th ed.) Citation

Geological Survey (U.S.) & Perkins, R. B. (2003). Geochemistry of Permian rocks from the margins of the Phosphoria Basin: Lakeridge Core, western Wyoming. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Robert B. Perkins. Geochemistry of Permian Rocks from the Margins of the Phosphoria Basin: Lakeridge Core, Western Wyoming. Menlo Park, CA: U.S. Dept. of the Interior, U.S. Geological Survey, 2003.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Robert B. Perkins. Geochemistry of Permian Rocks from the Margins of the Phosphoria Basin: Lakeridge Core, Western Wyoming. U.S. Dept. of the Interior, U.S. Geological Survey, 2003.