APA (7th ed.) Citation

Zientek, M. L. (2015). Assessment of undiscovered copper resources associated with the Permian Kupferschiefer, southern Permian Basin, Europe. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Zientek, Michael L. Assessment of Undiscovered Copper Resources Associated with the Permian Kupferschiefer, Southern Permian Basin, Europe. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2015.

MLA (9th ed.) Citation

Zientek, Michael L. Assessment of Undiscovered Copper Resources Associated with the Permian Kupferschiefer, Southern Permian Basin, Europe. U.S. Department of the Interior, U.S. Geological Survey, 2015.