MLA
Standing Portrait of Thomas H. Snann in a Suit. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17. https://digital.library.emory.edu/purl/590dv41p06-cor.
APA, 6th edition
Standing portrait of Thomas H. Snann in a suit (Box 17). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/590dv41p06-cor.
Chicago
“Standing Portrait of Thomas H. Snann in a Suit.” 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/590dv41p06-cor.