MLA
Old Slave Market, Louisville, Ga. 1920. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/112m63xsm9-cor.
APA, 6th edition
Old slave market, Louisville, Ga. (Box 74). (1920). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/112m63xsm9-cor.
Chicago
“Old Slave Market, Louisville, Ga.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1920. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/112m63xsm9-cor.