MLA
Boys with Their Lunch Bags, Posing in the Street. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/385n8pk0vd-cor.
APA, 6th edition
Boys with their lunch bags, posing in the street (Box 5). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/385n8pk0vd-cor.
Chicago
“Boys with Their Lunch Bags, Posing in the Street.” 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/385n8pk0vd-cor.