MLA
African American Boys and Girls Sitting on a Step in Front of a Fence, in Sand Hills, N.C. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/747dr7sqxt-cor.
APA, 6th edition
African American boys and girls sitting on a step in front of a fence, in Sand Hills, N.C. (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/747dr7sqxt-cor.
Chicago
“African American Boys and Girls Sitting on a Step in Front of a Fence, in Sand Hills, N.C.” 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/747dr7sqxt-cor.