Walton, W. C. (1992). Groundwater modeling utilities. Lewis.
Chicago Style (17th ed.) CitationWalton, William C. Groundwater Modeling Utilities. Boca Raton u.a: Lewis, 1992.
MLA (9th ed.) CitationWalton, William C. Groundwater Modeling Utilities. Lewis, 1992.
Warning: These citations may not always be 100% accurate.