Pottery sherds

Chicago citation style
Unknown. Pottery sherds. unknown. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/640. (Accessed October 23, 2018.)
APA citation style
Unknown, (unknown) Pottery sherds. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/640
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/isu2/id/640>.
Note: These citations are programmatically generated and may be incomplete.