MLA
Spencer, Thomas. Tomb of President James A. Garfield in Cleveland, Ohio. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 9. https://digital.library.emory.edu/purl/825x69p9hq-cor.
APA, 6th edition
Spencer, T. (1940). Tomb of President James A. Garfield in Cleveland, Ohio (Box 15, Folder 9) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/825x69p9hq-cor.
Chicago
Spencer, Thomas. “Tomb of President James A. Garfield in Cleveland, Ohio.” Black-and-white photographs. Civil War Collection, 1940. Box 15, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/825x69p9hq-cor.