Grave marker

Chicago citation style
unknown. Grave marker. unknown. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/437. (Accessed January 28, 2021.)
APA citation style
unknown, (unknown) Grave marker. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/isu2/id/437
MLA citation style
unknown. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/isu2/id/437>.
Note: These citations are programmatically generated and may be incomplete.