MLA
Portrait of an African American Soldier. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4. https://digital.library.emory.edu/purl/52259zw3wn-cor.
APA, 6th edition
Portrait of an African American soldier (Box 4). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3wn-cor.
Chicago
“Portrait of an African American Soldier.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3wn-cor.