MLA
Picture of an African American Man Wearing a Vest, Coat and Boots Seated in a Chair with a Cigar in His Right Hand. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 50. https://digital.library.emory.edu/purl/0752fqz658-cor.
APA, 6th edition
Picture of an African American man wearing a vest, coat and boots seated in a chair with a cigar in his right hand (Box 50). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0752fqz658-cor.
Chicago
“Picture of an African American Man Wearing a Vest, Coat and Boots Seated in a Chair with a Cigar in His Right Hand.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 50. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0752fqz658-cor.