MLA
Portrait of an African American Man in a Graduation Cap and Gown. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17. https://digital.library.emory.edu/purl/880ht76hnc-cor.
APA, 6th edition
Portrait of an African American man in a graduation cap and gown (Box 17). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/880ht76hnc-cor.
Chicago
“Portrait of an African American Man in a Graduation Cap and Gown.” Black-and-white 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/880ht76hnc-cor.