MLA
Down in Dixie : Four Boys African American in a Corner, with Two on the Ground Hugging [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/0924b8gtkg-cor.
APA, 6th edition
Down in Dixie : four boys African American in a corner, with two on the ground hugging [hand colored] (Box 72). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0924b8gtkg-cor.
Chicago
“Down in Dixie : Four Boys African American in a Corner, with Two on the Ground Hugging [Hand Colored].” 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/0924b8gtkg-cor.