MLA
United States Army, Unidentified Unit, Possibly 368th, 369th, 370th, or 371st Battalion, Ca. 1917-1918. 1917. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP75. https://digital.library.emory.edu/purl/6558cz8wch-cor.
APA, 6th edition
United States Army, unidentified unit, possibly 368th, 369th, 370th, or 371st Battalion, ca. 1917-1918 (OP75). (1917). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6558cz8wch-cor.
Chicago
“United States Army, Unidentified Unit, Possibly 368th, 369th, 370th, or 371st Battalion, Ca. 1917-1918.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1917. OP75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6558cz8wch-cor.