MLA
Two African American Men Wearing Striped Clothes Sitting in Two Covered Carriages, Each Pulled by a Horse, on a Dirt Road. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 32. https://digital.library.emory.edu/purl/1504xgxd69-cor.
APA, 6th edition
Two African American men wearing striped clothes sitting in two covered carriages, each pulled by a horse, on a dirt road (Box 32). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1504xgxd69-cor.
Chicago
“Two African American Men Wearing Striped Clothes Sitting in Two Covered Carriages, Each Pulled by a Horse, on a Dirt Road.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 32. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1504xgxd69-cor.