MLA
African American Man in an Ox-Drawn Cart next to a Dog and Railroad Tracks. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/368kd51c82-cor.
APA, 6th edition
African American man in an ox-drawn cart next to a dog and railroad tracks (Box 74). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/368kd51c82-cor.
Chicago
“African American Man in an Ox-Drawn Cart next to a Dog and Railroad Tracks.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/368kd51c82-cor.