MLA
Brothers., Russell. Southern Oxpress : a Man in a Cart Being Pulled by an Ox. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1. https://digital.library.emory.edu/purl/194hmgqnrd-cor.
APA, 6th edition
Brothers., R. Southern oxpress : a man in a cart being pulled by an ox (Box 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/194hmgqnrd-cor.
Chicago
Brothers., Russell. “Southern Oxpress : a Man in a Cart Being Pulled by an Ox.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/194hmgqnrd-cor.