MLA
Mosi M. Brown and Walter W. Brown, African American Soldiers. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 20. https://digital.library.emory.edu/purl/9354f4qrtp-cor.
APA, 6th edition
Mosi M. Brown and Walter W. Brown, African American soldiers (Box 20). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9354f4qrtp-cor.
Chicago
“Mosi M. Brown and Walter W. Brown, African American Soldiers.” 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/9354f4qrtp-cor.