MLA
Palmer, J. H. African American Girls and Boys Posing Together in African Costumes. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/4579s4mw82-cor.
APA, 6th edition
Palmer, J. H. African American girls and boys posing together in African costumes (Box 72) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4579s4mw82-cor.
Chicago
Palmer, J. H. “African American Girls and Boys Posing Together in African Costumes.” 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/4579s4mw82-cor.