MLA
Underwood, and Underwood. Ripe Dewberries, Southern Pines, N.C. : a Group of Eight African American Boys and Girls Posing with Three Chairs. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/829b5mkkzh-cor.
APA, 6th edition
U., & U. Ripe dewberries, Southern Pines, N.C. : a group of eight African American boys and girls posing with three chairs (Box 72) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/829b5mkkzh-cor.
Chicago
Underwood, and Underwood. “Ripe Dewberries, Southern Pines, N.C. : a Group of Eight African American Boys and Girls Posing with Three Chairs.” 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/829b5mkkzh-cor.