MLA
Boy Sitting on a Bicycle, with Others Standing next to Him. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/1504xgxd6x-cor.
APA, 6th edition
Boy sitting on a bicycle, with others standing next to him (Box 5). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1504xgxd6x-cor.
Chicago
“Boy Sitting on a Bicycle, with Others Standing next to Him.” 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/1504xgxd6x-cor.