Johnston, R. H. (1999). Hydrologic budgets of regional aquifer systems of the United States for predevelopment and development conditions (Revised 1999.). U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationJohnston, Richard H. Hydrologic Budgets of Regional Aquifer Systems of the United States for Predevelopment and Development Conditions. Revised 1999. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 1999.
MLA (9th ed.) CitationJohnston, Richard H. Hydrologic Budgets of Regional Aquifer Systems of the United States for Predevelopment and Development Conditions. Revised 1999. U.S. Department of the Interior, U.S. Geological Survey, 1999.
Warning: These citations may not always be 100% accurate.