APA (7th ed.) Citation

Belval, D. L., & Sprague, L. A. (1999). Monitoring nutrients in the major rivers draining to Chesapeake Bay. [U.S. Dept. of the Interior, U.S. Geological Survey].

Chicago Style (17th ed.) Citation

Belval, Donna L., and Lori A. Sprague. Monitoring Nutrients in the Major Rivers Draining to Chesapeake Bay. [Reston, Va.]: [U.S. Dept. of the Interior, U.S. Geological Survey], 1999.

MLA (9th ed.) Citation

Belval, Donna L., and Lori A. Sprague. Monitoring Nutrients in the Major Rivers Draining to Chesapeake Bay. [U.S. Dept. of the Interior, U.S. Geological Survey], 1999.