MLA
Wootten, R. H. Picking Cotton at State Farm, Milledgeville, Ga. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/344pk0p2rk-cor.
APA, 6th edition
Wootten, R. H. Picking cotton at state farm, Milledgeville, Ga. (Box 69) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/344pk0p2rk-cor.
Chicago
Wootten, R. H. “Picking Cotton at State Farm, Milledgeville, Ga.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/344pk0p2rk-cor.