MLA
Mr. Sanford Motor, Standing While Wearing a Suit, next to a Small Table, with a Vase of Flowers on It. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/95269p8d1h-cor.
APA, 6th edition
Mr. Sanford Motor, standing while wearing a suit, next to a small table, with a vase of flowers on it (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d1h-cor.
Chicago
“Mr. Sanford Motor, Standing While Wearing a Suit, next to a Small Table, with a Vase of Flowers on It.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d1h-cor.