APA (7th ed.) Citation

Charpentier, R. R., & Cook, T. A. (2011). USGS methodology for assessing continuous petroleum resources. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Charpentier, Ronald R., and Troy A. Cook. USGS Methodology for Assessing Continuous Petroleum Resources. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Charpentier, Ronald R., and Troy A. Cook. USGS Methodology for Assessing Continuous Petroleum Resources. U.S. Department of the Interior, U.S. Geological Survey, 2011.