MLA
Standing Portrait of a Man in a Suit with Gloves, Top Hat, and Cane. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17. https://digital.library.emory.edu/purl/484mkkwhjg-cor.
APA, 6th edition
Standing portrait of a man in a suit with gloves, top hat, and cane (Box 17). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/484mkkwhjg-cor.
Chicago
“Standing Portrait of a Man in a Suit with Gloves, Top Hat, and Cane.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 17. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/484mkkwhjg-cor.