MLA
Doing the Charleston down South : Two African American Children, with a Woman and Three Children Sitting on the Porch Watching. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/1848pk0p3w-cor.
APA, 6th edition
Doing the Charleston down South : two African American children, with a woman and three children sitting on the porch watching (Box 71). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1848pk0p3w-cor.
Chicago
“Doing the Charleston down South : Two African American Children, with a Woman and Three Children Sitting on the Porch Watching.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1848pk0p3w-cor.