APA (7th ed.) Citation

Appel, C. A., & Bredehoeft, J. D. (1976). Status of ground-water modeling in the U.S. Geological Survey. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Appel, Charles A., and J. D. Bredehoeft. Status of Ground-water Modeling in the U.S. Geological Survey. Washington, D.C.: United States Department of the Interior, Geological Survey, 1976.

MLA (9th ed.) Citation

Appel, Charles A., and J. D. Bredehoeft. Status of Ground-water Modeling in the U.S. Geological Survey. United States Department of the Interior, Geological Survey, 1976.