MLA
An African American Man Sitting on a Tree Branch and Holding onto a Tree Branch. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/631cjsxkvw-cor.
APA, 6th edition
An African American man sitting on a tree branch and holding onto a tree branch (Box 72). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/631cjsxkvw-cor.
Chicago
“An African American Man Sitting on a Tree Branch and Holding onto a Tree Branch.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/631cjsxkvw-cor.