APA (7th ed.) Citation

Não informado. (2011). Geological Survey Bulletin. U.S. Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Não informado. Geological Survey Bulletin. Washington: U.S. Department of the Interior, Geological Survey, 2011.

MLA (8th ed.) Citation

Não informado. Geological Survey Bulletin. U.S. Department of the Interior, Geological Survey, 2011.

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