Curved iron fragment

Chicago citation style
Unknown. Curved iron fragment. unknown. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/619. (Accessed October 21, 2018.)
APA citation style
Unknown, (unknown) Curved iron fragment. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/619
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/isu2/id/619>.
Note: These citations are programmatically generated and may be incomplete.