APA (7th ed.) Citation

Larson, D. R., Herzog, B. L., & Larson, T. H. (2003). Groundwater geology of DeWitt, Piatt, and Northern Macon counties, Illinois. Illinois State Geological Survey.

Chicago Style (17th ed.) Citation

Larson, David R., Beverly L. Herzog, and Timothy H. Larson. Groundwater Geology of DeWitt, Piatt, and Northern Macon Counties, Illinois. Champaign, IL: Illinois State Geological Survey, 2003.

MLA (9th ed.) Citation

Larson, David R., et al. Groundwater Geology of DeWitt, Piatt, and Northern Macon Counties, Illinois. Illinois State Geological Survey, 2003.