Clarke, A. H. 1. (1981). The tribe Alasmidontini (Unionidae: Anodontinae), Part I: Pegias, Alasmidonta, and Arcidens. Washington: Smithsonian Institution Press.
Chicago Style CitationClarke, Arthur Haddleton 1926-2014. The Tribe Alasmidontini (Unionidae: Anodontinae), Part I: Pegias, Alasmidonta, and Arcidens. Washington: Smithsonian Institution Press, 1981.
MLA CitationClarke, Arthur Haddleton 1926-2014. The Tribe Alasmidontini (Unionidae: Anodontinae), Part I: Pegias, Alasmidonta, and Arcidens. Washington: Smithsonian Institution Press, 1981.
Warning: These citations may not always be 100% accurate.