MLA
African American Soldier. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 20. https://digital.library.emory.edu/purl/344pk0p312-cor.
APA, 6th edition
African American soldier (Box 20). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/344pk0p312-cor.
Chicago
“African American Soldier.” Photographic postcards. Langmuir Deposit - Sept 2020, n.d. Box 20. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/344pk0p312-cor.