APA (7th ed.) Citation

Zientek, M. L. (2014). Platinum-group elements in southern Africa--mineral inventory and an assessment of undiscovered mineral resources. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Zientek, Michael L. Platinum-group Elements in Southern Africa--mineral Inventory and an Assessment of Undiscovered Mineral Resources. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2014.

MLA (9th ed.) Citation

Zientek, Michael L. Platinum-group Elements in Southern Africa--mineral Inventory and an Assessment of Undiscovered Mineral Resources. U.S. Department of the Interior, U.S. Geological Survey, 2014.