MLA
A Man in a Sailor Uniform Sitting in a Chair and an African American Man in a Suit and Hat, Standing next to Him. 1896. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 65. https://digital.library.emory.edu/purl/95269p8d2r-cor.
APA, 6th edition
A man in a sailor uniform sitting in a chair and an African American man in a suit and hat, standing next to him (Box 65). (1896). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d2r-cor.
Chicago
“A Man in a Sailor Uniform Sitting in a Chair and an African American Man in a Suit and Hat, Standing next to Him.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, 1896. Box 65. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d2r-cor.