APA (7th ed.) Citation

Ludington, S. (2015). Porphyry copper assessment of the Tibetan Plateau, China. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ludington, Steve. Porphyry Copper Assessment of the Tibetan Plateau, China. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2015.

MLA (9th ed.) Citation

Ludington, Steve. Porphyry Copper Assessment of the Tibetan Plateau, China. U.S. Department of the Interior, U.S. Geological Survey, 2015.

Warning: These citations may not always be 100% accurate.