APA (7th ed.) Citation

Engle, M. A. (2008). Summary of mercury and trace element results in precipitation from the Culpeper, Virginia, Mercury Deposition Network Site (VA-08), 2002-2006. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Engle, Mark A. Summary of Mercury and Trace Element Results in Precipitation from the Culpeper, Virginia, Mercury Deposition Network Site (VA-08), 2002-2006. Reston, Virginia: U.S. Geological Survey, 2008.

MLA (9th ed.) Citation

Engle, Mark A. Summary of Mercury and Trace Element Results in Precipitation from the Culpeper, Virginia, Mercury Deposition Network Site (VA-08), 2002-2006. U.S. Geological Survey, 2008.