MLA
P. CK. A Cotton House in the Field : Four African American Men Sitting on Top of a High Box Wagon Filled with Cotton, Pulled by Two Mules in Front of a Wooden Shack with Two Mules Pulling a Second Wagon [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/313zs7h47c-cor.
APA, 6th edition
P. C. K. A cotton house in the field : four African American men sitting on top of a high box wagon filled with cotton, pulled by two mules in front of a wooden shack with two mules pulling a second wagon [hand colored] (Box 68) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/313zs7h47c-cor.
Chicago
PCK. “A Cotton House in the Field : Four African American Men Sitting on Top of a High Box Wagon Filled with Cotton, Pulled by Two Mules in Front of a Wooden Shack with Two Mules Pulling a Second Wagon [Hand Colored].” 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/313zs7h47c-cor.