APA (7th ed.) Citation

Hensel, B. (1992). Natural recharge of groundwater in Illinois. Illinois State Geological Survey.

Chicago Style (17th ed.) Citation

Hensel, Bruce. Natural Recharge of Groundwater in Illinois. Champaign, Ill: Illinois State Geological Survey, 1992.

MLA (9th ed.) Citation

Hensel, Bruce. Natural Recharge of Groundwater in Illinois. Illinois State Geological Survey, 1992.

Warning: These citations may not always be 100% accurate.