Shaw, E. W., & Geological Survey. (1921). New Athens-Okawville folio, Illinois (Library ed.). U.S. Geological Survey.
Chicago Style (17th ed.) CitationShaw, E. W., and Geological Survey. New Athens-Okawville Folio, Illinois. Library ed. Washington,: U.S. Geological Survey, 1921.
MLA (8th ed.) CitationShaw, E. W., and Geological Survey. New Athens-Okawville Folio, Illinois. Library ed. U.S. Geological Survey, 1921.
Warning: These citations may not always be 100% accurate.