Geological Survey (U.S.), Brakebill, J. W., & Kelley, S. K. (2000). Hydrogeomorphic regions of the Chesapeake Bay Watershed (Version 1.). U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), John W. Brakebill, and S. K. Kelley. Hydrogeomorphic Regions of the Chesapeake Bay Watershed. Version 1. Baltimore, MD: U.S. Geological Survey, 2000.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Hydrogeomorphic Regions of the Chesapeake Bay Watershed. Version 1. U.S. Geological Survey, 2000.
Warning: These citations may not always be 100% accurate.