MLA
Co., Albertype. Cotton Picking : an African American Man Picking Cotton. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/689d51c5d6-cor.
APA, 6th edition
Co., A. Cotton picking : an African American man picking cotton (Box 74) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/689d51c5d6-cor.
Chicago
Co., Albertype. “Cotton Picking : an African American Man Picking Cotton.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/689d51c5d6-cor.