Three mounted warriors

Chicago citation style
Unknown. Three mounted warriors. 1920. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll67/id/683. (Accessed August 12, 2020.)
APA citation style
Unknown, (1920) Three mounted warriors. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll67/id/683
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll67/id/683>.
Note: These citations are programmatically generated and may be incomplete.