Walton, W. C. (1989). Numerical groundwater modeling: Flow and contaminant migration. Lewis.
Chicago Style (17th ed.) CitationWalton, William C. Numerical Groundwater Modeling: Flow and Contaminant Migration. Chelsea, Mich: Lewis, 1989.
MLA (9th ed.) CitationWalton, William C. Numerical Groundwater Modeling: Flow and Contaminant Migration. Lewis, 1989.
Warning: These citations may not always be 100% accurate.