MLA
Two Young Boys Sitting on a Set of Stairs. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/129p2ngf6w-cor.
APA, 6th edition
Two young boys sitting on a set of stairs (Box 5). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngf6w-cor.
Chicago
“Two Young Boys Sitting on a Set of Stairs.” 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/129p2ngf6w-cor.