Arrowhead

Chicago citation style
Unknown. Arrowhead. 3500 BC - 2500 BC. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/695. (Accessed October 18, 2018.)
APA citation style
Unknown, (3500 BC - 2500 BC) Arrowhead. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/695
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/isu2/id/695>.
Note: These citations are programmatically generated and may be incomplete.