APA (7th ed.) Citation

Maryland. Tidewater Ecosystem Assessment, Geological Survey (U.S.), & Darrell, L. C. (1999). Nutrient and suspended-sediment concentrations, trends, loads, and yields from the nontidal part of the Susquehanna, Potomac, Patuxent, and Choptank rivers, 1985-96. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Maryland. Tidewater Ecosystem Assessment, Geological Survey (U.S.), and Linda C. Darrell. Nutrient and Suspended-sediment Concentrations, Trends, Loads, and Yields from the Nontidal Part of the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 1985-96. Baltimore, Md.: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

MLA (9th ed.) Citation

Maryland. Tidewater Ecosystem Assessment, et al. Nutrient and Suspended-sediment Concentrations, Trends, Loads, and Yields from the Nontidal Part of the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 1985-96. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.