MLA
DeWitty, M. H. Employees at a Restaurant. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4. https://digital.library.emory.edu/purl/610wpzgn05-cor.
APA, 6th edition
DeWitty, M. H. Employees at a restaurant (Box 4) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/610wpzgn05-cor.
Chicago
DeWitty, M. H. “Employees at a Restaurant.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/610wpzgn05-cor.