APA (7th ed.) Citation

Curry, B. B., Berg, R. C., & Vaiden, R. C. Geologic mapping for environmental planning, McHenry County, Illinois. Dep. of Natural Resources.

Chicago Style (17th ed.) Citation

Curry, B. B., Richard C. Berg, and Robert C. Vaiden. Geologic Mapping for Environmental Planning, McHenry County, Illinois. Champaign, Ill: Dep. of Natural Resources.

MLA (9th ed.) Citation

Curry, B. B., et al. Geologic Mapping for Environmental Planning, McHenry County, Illinois. Dep. of Natural Resources.