MLA
Co., Parlin Color. To My Cotton Pickin' Friend : Cotton Pickers in a Cotton Field. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/047rn8pk3b-cor.
APA, 6th edition
Co., P. C. To my cotton pickin' friend : cotton pickers in a cotton field (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/047rn8pk3b-cor.
Chicago
Co., Parlin Color. “To My Cotton Pickin' Friend : Cotton Pickers in a Cotton Field.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/047rn8pk3b-cor.