APA (7th ed.) Citation

Riggs, M. H., Illinois. Office of Recycling and Waste Reduction, & Illinois State Geological Survey. (1993). Thickness of Quaternary deposits, north-central Lake County.

Chicago Style (17th ed.) Citation

Riggs, Matthew Harold, Illinois. Office of Recycling and Waste Reduction, and Illinois State Geological Survey. Thickness of Quaternary Deposits, North-central Lake County. 1993.

MLA (8th ed.) Citation

Riggs, Matthew Harold, et al. Thickness of Quaternary Deposits, North-central Lake County. 1993.

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