Pottery sherd

Chicago citation style
Unknown. Pottery sherd. unknown. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/637. (Accessed October 17, 2018.)
APA citation style
Unknown, (unknown) Pottery sherd. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/637
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/isu2/id/637>.
Note: These citations are programmatically generated and may be incomplete.