Imlay, R. W. (1967). The Mesozoic pelecypods Otapiria Marwick and Lupherella Imlay, new genus, in the United States. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationImlay, Ralph W. The Mesozoic Pelecypods Otapiria Marwick and Lupherella Imlay, New Genus, in the United States. Washington: United States Department of the Interior, Geological Survey, 1967.
MLA (9th ed.) CitationImlay, Ralph W. The Mesozoic Pelecypods Otapiria Marwick and Lupherella Imlay, New Genus, in the United States. United States Department of the Interior, Geological Survey, 1967.
Warning: These citations may not always be 100% accurate.