MLA
Webb. Portrait of Man in Coat and Bow Tie. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 16. https://digital.library.emory.edu/purl/4816m9061w-cor.
APA, 6th edition
W. Portrait of man in coat and bow tie (Box 16) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4816m9061w-cor.
Chicago
Webb. “Portrait of Man in Coat and Bow Tie.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 16. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4816m9061w-cor.