APA (7th ed.) Citation

Geological Survey (U.S.) & Chesapeake Bay Program (U.S.). (2001). The Chesapeake Bay Watershed: 64,000 square miles of land, water, wildlife, and people. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Chesapeake Bay Program (U.S.). The Chesapeake Bay Watershed: 64,000 Square Miles of Land, Water, Wildlife, and People. Reston, Va.: The Survey, 2001.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Chesapeake Bay Program (U.S.). The Chesapeake Bay Watershed: 64,000 Square Miles of Land, Water, Wildlife, and People. The Survey, 2001.