MLA
Henley, D. B. A Raid on the Watermelon Patch, Hattiesburg, Miss. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/692t4b8gzb-cor.
APA, 6th edition
Henley, D. B. A raid on the watermelon patch, Hattiesburg, Miss. (Box 69) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8gzb-cor.
Chicago
Henley, D. B. “A Raid on the Watermelon Patch, Hattiesburg, Miss.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8gzb-cor.