MLA
Two Entertainers, One in Blackface with a Rifle, the Other in a Long Feathered Headdress. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 21. https://digital.library.emory.edu/purl/1676t1g1x9-cor.
APA, 6th edition
Two entertainers, one in blackface with a rifle, the other in a long feathered headdress (Box 21). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1676t1g1x9-cor.
Chicago
“Two Entertainers, One in Blackface with a Rifle, the Other in a Long Feathered Headdress.” Black-and-white photographs. Langmuir Deposit - Sept 2020, n.d. Box 21. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1676t1g1x9-cor.