MLA
Yankee Sullivan, Aged 96, Wearing a Suit, Coat and Bow Tie, and Holding a Hat. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/402q573n94-cor.
APA, 6th edition
Yankee Sullivan, aged 96, wearing a suit, coat and bow tie, and holding a hat (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/402q573n94-cor.
Chicago
“Yankee Sullivan, Aged 96, Wearing a Suit, Coat and Bow Tie, and Holding a Hat.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/402q573n94-cor.