MLA
Rosin, and Co. Cotton Field : African Americans in a Cotton Field, with Two Dwellings [Hand Colored]. 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/491fj6q5b6-cor.
APA, 6th edition
R., & C. (1908). Cotton field : African Americans in a cotton field, with two dwellings [hand colored] (Box 68) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/491fj6q5b6-cor.
Chicago
Rosin, and Co. “Cotton Field : African Americans in a Cotton Field, with Two Dwellings [Hand Colored].” Postcards. Robert Langmuir African American Photograph Collection, 1908. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/491fj6q5b6-cor.