APA (7th ed.) Citation

Illinois State Geological Survey. (1982). Perspectives in geology: Invited papers. The Survey.

Chicago Style (17th ed.) Citation

Illinois State Geological Survey. Perspectives in Geology: Invited Papers. Champaign, IL (615 Peabody Dr., Champaign 61820): The Survey, 1982.

MLA (9th ed.) Citation

Illinois State Geological Survey. Perspectives in Geology: Invited Papers. The Survey, 1982.

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