MLA
African American Men and Women Picking Cotton in a Field in Birmingham, Alabama. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/965v6wwq2s-cor.
APA, 6th edition
African American men and women picking cotton in a field in Birmingham, Alabama (Box 68). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwq2s-cor.
Chicago
“African American Men and Women Picking Cotton in a Field in Birmingham, Alabama.” Photographic 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/965v6wwq2s-cor.