MLA
African American Soldier Wearing a Military Uniform and Holding a Firearm in One Hand, in Camden, South Carolina. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/56341ns1vs-cor.
APA, 6th edition
African American soldier wearing a military uniform and holding a firearm in one hand, in Camden, South Carolina (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/56341ns1vs-cor.
Chicago
“African American Soldier Wearing a Military Uniform and Holding a Firearm in One Hand, in Camden, South Carolina.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/56341ns1vs-cor.