MLA
Co., Souvenir Post Card. An Old Virginia Scene, Newport News, Va. : Two African American Men on an Ox-Drawn Cart. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/6386hdr7wb-cor.
APA, 6th edition
Co., S. P. C. An old Virginia scene, Newport News, Va. : two African American men on an ox-drawn cart (Box 75) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7wb-cor.
Chicago
Co., Souvenir Post Card. “An Old Virginia Scene, Newport News, Va. : Two African American Men on 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/6386hdr7wb-cor.