MLA
Co., E. C. Kropp. Southern Turpentine Still : African American Men on a Cart with Horses. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/784zgmsbg7-cor.
APA, 6th edition
Co., E. C. K. Southern turpentine still : African American men on a cart with horses (Box 75) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsbg7-cor.
Chicago
Co., E.C. Kropp. “Southern Turpentine Still : African American Men on a Cart with Horses.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsbg7-cor.