Kesling, R. V., & Chilman, R. B. (1975). Strata and megafossils of the Middle Devonian Silica Formation.
Chicago Style (17th ed.) CitationKesling, Robert V., and Ruth B. Chilman. Strata and Megafossils of the Middle Devonian Silica Formation. 1975.
MLA (9th ed.) CitationKesling, Robert V., and Ruth B. Chilman. Strata and Megafossils of the Middle Devonian Silica Formation. 1975.
Warning: These citations may not always be 100% accurate.