MLA
United States Army, Unknown Unit (Standing and Sitting in Front of Barracks with Soldiers in Windows), Unknown Location, circa 1917-1919 [Panorama]. 1917. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box XOP28. https://digital.library.emory.edu/purl/235gb5mkn8-cor.
APA, 6th edition
United States Army, unknown unit (standing and sitting in front of barracks with soldiers in windows), unknown location, circa 1917-1919 [panorama] (Box XOP28). (1917). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/235gb5mkn8-cor.
Chicago
“United States Army, Unknown Unit (Standing and Sitting in Front of Barracks with Soldiers in Windows), Unknown Location, circa 1917-1919 [Panorama].” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1917. Box XOP28. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/235gb5mkn8-cor.