MLA
Picture from John W. Johnson to Shipmate W.W. Johnson. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19. https://digital.library.emory.edu/purl/337vmcvf0m-cor.
APA, 6th edition
Picture from John W. Johnson to shipmate W.W. Johnson (Box 19). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/337vmcvf0m-cor.
Chicago
“Picture from John W. Johnson to Shipmate W.W. Johnson.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 19. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/337vmcvf0m-cor.