Allen, J. S. (1971). Massac County surface water resources. Illinois Dept. of Conservation, Division of Fisheries.
Chicago Style (17th ed.) CitationAllen, James S. Massac County Surface Water Resources. [Springfield]: Illinois Dept. of Conservation, Division of Fisheries, 1971.
MLA (9th ed.) CitationAllen, James S. Massac County Surface Water Resources. Illinois Dept. of Conservation, Division of Fisheries, 1971.
Warning: These citations may not always be 100% accurate.