APA (7th ed.) Citation

Westerfield, P. W. (1995). Potentiometric surface of the Sparta and Memphis aquifers in eastern Arkansas, April through July 1993. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Westerfield, Paul W. Potentiometric Surface of the Sparta and Memphis Aquifers in Eastern Arkansas, April Through July 1993. Little Rock, Arkansas: U.S. Department of the Interior, U.S. Geological Survey, 1995.

MLA (9th ed.) Citation

Westerfield, Paul W. Potentiometric Surface of the Sparta and Memphis Aquifers in Eastern Arkansas, April Through July 1993. U.S. Department of the Interior, U.S. Geological Survey, 1995.