APA (7th ed.) Citation

Westjohn, D. B., & Weaver, T. L. (1998). Hydrogeologic framework of the Michigan Basin regional aquifer system. Geological Survey, Information Services.

Chicago Style (17th ed.) Citation

Westjohn, David B., and Thomas L. Weaver. Hydrogeologic Framework of the Michigan Basin Regional Aquifer System. Denver, CO: Geological Survey, Information Services, 1998.

MLA (9th ed.) Citation

Westjohn, David B., and Thomas L. Weaver. Hydrogeologic Framework of the Michigan Basin Regional Aquifer System. Geological Survey, Information Services, 1998.