APA aipamena

Johnston, R. H. (1997). Hydrologic budgets of regional aquifer systems of the United States for predevelopment and development conditions GB1199.2 .J. U.S. Geological Survey.

Chicago Style aipamena

Johnston, Richard H. Hydrologic Budgets of Regional Aquifer Systems of the United States for Predevelopment and Development Conditions GB1199.2 .J. Denver, Colorado, USA: U.S. Geological Survey, 1997.

MLA aipamena

Johnston, Richard H. Hydrologic Budgets of Regional Aquifer Systems of the United States for Predevelopment and Development Conditions GB1199.2 .J. U.S. Geological Survey, 1997.