Clarke, A. H. (1981). The tribe alasmidontini (Unionidae : Anodontinae), Part I: Pegias, alasmidonta, and arcidens. Smithsonian Institution Press.
Chicago Style (17th ed.) CitationClarke, Arthur H. The Tribe Alasmidontini (Unionidae : Anodontinae), Part I: Pegias, Alasmidonta, and Arcidens. Washington: Smithsonian Institution Press, 1981.
MLA (9th ed.) CitationClarke, Arthur H. The Tribe Alasmidontini (Unionidae : Anodontinae), Part I: Pegias, Alasmidonta, and Arcidens. Smithsonian Institution Press, 1981.
Warning: These citations may not always be 100% accurate.