Mollusca. (Freshwater Gastropoda & Pelectpoda)

Chicago citation style
Preston, Hugh Berthon. Mollusca. (Freshwater Gastropoda & Pelectpoda). 1915. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006221841. (Accessed November 18, 2018.)
APA citation style
Preston, Hugh Berthon, (1915) Mollusca. (Freshwater Gastropoda & Pelectpoda). Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006221841
MLA citation style
Preston, Hugh Berthon. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006221841>.
Note: These citations are programmatically generated and may be incomplete.