Geological Survey (U.S.), United States. National Park Service, & Brown, G. A. (1981). Water resources of Prince William Forest Park, Virginia. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), United States. National Park Service, and G. Allan Brown. Water Resources of Prince William Forest Park, Virginia. [Reston, Va.]: The Survey, 1981.
MLA (8th ed.) CitationGeological Survey (U.S.), et al. Water Resources of Prince William Forest Park, Virginia. The Survey, 1981.
Warning: These citations may not always be 100% accurate.