APA (7th ed.) Citation

Virta, R. L. (2005). Mineral commodity profiles, asbestos. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Virta, Robert L. Mineral Commodity Profiles, Asbestos. Reston, Va.: U.S. Geological Survey, 2005.

MLA (9th ed.) Citation

Virta, Robert L. Mineral Commodity Profiles, Asbestos. U.S. Geological Survey, 2005.

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