Lea, I. (1829). Observations of the genus Unio: Together with descriptions ot eighteen new species ; and of the genus Symphynota, now separated from the family of Naiades, containing nine species. Kay.
Chicago Style (17th ed.) CitationLea, Isaac. Observations of the Genus Unio: Together with Descriptions Ot Eighteen New Species ; and of the Genus Symphynota, Now Separated from the Family of Naiades, Containing Nine Species. Philadelphia: Kay, 1829.
MLA (9th ed.) CitationLea, Isaac. Observations of the Genus Unio: Together with Descriptions Ot Eighteen New Species ; and of the Genus Symphynota, Now Separated from the Family of Naiades, Containing Nine Species. Kay, 1829.
Warning: These citations may not always be 100% accurate.