Karklins, O. L., & Pojeta, J., Jr. (1984). Trepostome and cystoporate bryozoans from the Lexington limestone and the Clays Ferry formation (Middle-Upper Ordovician) of Kentucky. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationKarklins, Olgerts L., and John Pojeta, Jr. Trepostome and Cystoporate Bryozoans from the Lexington Limestone and the Clays Ferry Formation (Middle-Upper Ordovician) of Kentucky. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1984.
MLA (9th ed.) CitationKarklins, Olgerts L., and John Pojeta, Jr. Trepostome and Cystoporate Bryozoans from the Lexington Limestone and the Clays Ferry Formation (Middle-Upper Ordovician) of Kentucky. U.S. Dept. of the Interior, Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.