MLA
Boys Posing in Front of Consolidated Coal Company Machinery. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/392g79cnvb-cor.
APA, 6th edition
Boys posing in front of Consolidated Coal Company machinery (Box 5). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/392g79cnvb-cor.
Chicago
“Boys Posing in Front of Consolidated Coal Company Machinery.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/392g79cnvb-cor.