MLA
Co., Souvenir Post Card. Rapid Trans : African American Man in an Ox-Drawn Cart. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/501pg4f4tj-cor.
APA, 6th edition
Co., S. P. C. Rapid trans : African American man in an ox-drawn cart (Box 75) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/501pg4f4tj-cor.
Chicago
Co., Souvenir Post Card. “Rapid Trans : African American Man in an Ox-Drawn Cart.” 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/501pg4f4tj-cor.