Ohio River water quality fact book.
APA Citation
Ohio River Valley Water Sanitation Commission. (1986). Ohio River water quality fact book. Cincinnati, Ohio: Ohio River Valley Water Sanitation Commission.
MLA Citation
Ohio River Valley Water Sanitation Commission. Ohio River Water Quality Fact Book. Cincinnati, Ohio: Ohio River Valley Water Sanitation Commission, 1986.
Warning: These citations may not always be complete (especially for serials).