MLA
Paul Robeson in a Suit and Hat with an Overcoat over His Arm Standing on a Street in Spain with a Man in Uniform. 1938. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 21. https://digital.library.emory.edu/purl/593ttdz0pq-cor.
APA, 6th edition
Paul Robeson in a suit and hat with an overcoat over his arm standing on a street in Spain with a man in uniform (Box 21). (1938). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/593ttdz0pq-cor.
Chicago
“Paul Robeson in a Suit and Hat with an Overcoat over His Arm Standing on a Street in Spain with a Man in Uniform.” Black-and-white photographs. Langmuir Deposit - Sept 2020, 1938. Box 21. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/593ttdz0pq-cor.