APA (7th ed.) Citation

Imlay, R. W. (1967). The Mesozoic pelecypods Otapiria Marwick and Lupherella Imlay, new genus, in the United States. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Imlay, Ralph W. The Mesozoic Pelecypods Otapiria Marwick and Lupherella Imlay, New Genus, in the United States. Washington: U.S. Govt. Print. Off, 1967.

MLA (9th ed.) Citation

Imlay, Ralph W. The Mesozoic Pelecypods Otapiria Marwick and Lupherella Imlay, New Genus, in the United States. U.S. Govt. Print. Off, 1967.