MLA
Two Men Outside Loretta's Inn, One Well Dressed, Playing the Harmonica. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3. https://digital.library.emory.edu/purl/296wwpzgsn-cor.
APA, 6th edition
Two men outside Loretta's Inn, one well dressed, playing the harmonica (Box 3). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgsn-cor.
Chicago
“Two Men Outside Loretta's Inn, One Well Dressed, Playing the Harmonica.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 3. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgsn-cor.