Simonsen, A. H., & Cuffey, R. J. (1980). Fennestrate, pinnate, and ctenostome bryozoans and associated barnacle borings in the Wreford megacyclothem (Lower Permian) of Kansas, Oklahoma and Nebraska. University of Kansas Publications.
Chicago Style (17th ed.) CitationSimonsen, August H., and Roger J. Cuffey. Fennestrate, Pinnate, and Ctenostome Bryozoans and Associated Barnacle Borings in the Wreford Megacyclothem (Lower Permian) of Kansas, Oklahoma and Nebraska. Lawrence, Kansas: University of Kansas Publications, 1980.
MLA (9th ed.) CitationSimonsen, August H., and Roger J. Cuffey. Fennestrate, Pinnate, and Ctenostome Bryozoans and Associated Barnacle Borings in the Wreford Megacyclothem (Lower Permian) of Kansas, Oklahoma and Nebraska. University of Kansas Publications, 1980.