MLA
African American Man in a Hot Air Balloon Prop. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/4816m905sw-cor.
APA, 6th edition
African American man in a hot air balloon prop (Box 75). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4816m905sw-cor.
Chicago
“African American Man in a Hot Air Balloon Prop.” 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/4816m905sw-cor.