Arrowhead

Chicago citation style
Unknown. Arrowhead. 6900 BC - 6500 BC. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/671. (Accessed October 21, 2018.)
APA citation style
Unknown, (6900 BC - 6500 BC) Arrowhead. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/671
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/isu2/id/671>.
Note: These citations are programmatically generated and may be incomplete.