MLA
Uncle Nathan, Typical Southern Darkey and His Home on the Cumberland Plateau. 1906. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/389280gb7m-cor.
APA, 6th edition
Uncle Nathan, typical southern darkey and his home on the Cumberland Plateau (Box 72). (1906). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/389280gb7m-cor.
Chicago
“Uncle Nathan, Typical Southern Darkey and His Home on the Cumberland Plateau.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1906. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/389280gb7m-cor.