APA (7th ed.) Citation

Ober Joyce A & U.S. Geological Survey. 2005 minerals yearbook , sulfur.

Chicago Style (17th ed.) Citation

Ober Joyce A and U.S. Geological Survey. 2005 Minerals Yearbook , Sulfur.

MLA (9th ed.) Citation

Ober Joyce A and U.S. Geological Survey. 2005 Minerals Yearbook , Sulfur.

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