APA (7th ed.) Citation

Não informado. (2014). Geological Survey Professional Paper. U.S. Geological Survey Professional Paper.

Chicago Style (17th ed.) Citation

Não informado. Geological Survey Professional Paper. Washington: U.S. Geological Survey Professional Paper, 2014.

MLA (8th ed.) Citation

Não informado. Geological Survey Professional Paper. U.S. Geological Survey Professional Paper, 2014.

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