MLA
Co., Albertype. Cotton Picking : African American Men and Women Picking Cotton. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/740ksn02z1-cor.
APA, 6th edition
Co., A. Cotton picking : African American men and women picking cotton (Box 74) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/740ksn02z1-cor.
Chicago
Co., Albertype. “Cotton Picking : African American Men and Women 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/740ksn02z1-cor.