MLA
Group of African American Girls, Boys, Women, and Men in Suits and Dresses Sitting between a Pair of Trees. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/433dz08krh-cor.
APA, 6th edition
Group of African American girls, boys, women, and men in suits and dresses sitting between a pair of trees (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/433dz08krh-cor.
Chicago
“Group of African American Girls, Boys, Women, and Men in Suits and Dresses Sitting between a Pair of Trees.” 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/433dz08krh-cor.