Ackerman, D. J. (1987). Generalized potentiometric surface of the Sparta-Memphis aquifer, eastern Arkansas, spring 1980. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationAckerman, D. J. Generalized Potentiometric Surface of the Sparta-Memphis Aquifer, Eastern Arkansas, Spring 1980. Little Rock, Arkansas: Department of the Interior, U.S. Geological Survey, 1987.
MLA (9th ed.) CitationAckerman, D. J. Generalized Potentiometric Surface of the Sparta-Memphis Aquifer, Eastern Arkansas, Spring 1980. Department of the Interior, U.S. Geological Survey, 1987.
Warning: These citations may not always be 100% accurate.