MLA
Rapid Transit : Two African American Men and a Woman on an Ox-Drawn Cart [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/69673n5tdk-cor.
APA, 6th edition
Rapid transit : two African American men and a woman on an ox-drawn cart [hand colored] (Box 75). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/69673n5tdk-cor.
Chicago
“Rapid Transit : Two African American Men and a Woman on an Ox-Drawn Cart [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/69673n5tdk-cor.