MLA
African American Men, Women and Girl Picking Cotton in a Field. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/716pzgmsff-cor.
APA, 6th edition
African American men, women and girl picking cotton in a field (Box 68). (1909). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/716pzgmsff-cor.
Chicago
“African American Men, Women and Girl Picking Cotton in a Field.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1909. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/716pzgmsff-cor.