MLA
Down Where the Cotton Blossoms Grow : African American Men, Women and Children in a Field of Cotton Blossoms [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/924wh70s2v-cor.
APA, 6th edition
Down where the cotton blossoms grow : African American men, women and children in a field of cotton blossoms [hand colored] (Box 68). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/924wh70s2v-cor.
Chicago
“Down Where the Cotton Blossoms Grow : African American Men, Women and Children in a Field of Cotton Blossoms [Hand Colored].” 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/924wh70s2v-cor.