MLA
Portrait of William Warfield. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 26. https://digital.library.emory.edu/purl/781jh9w113-cor.
APA, 6th edition
Portrait of William Warfield (Box 26). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w113-cor.
Chicago
“Portrait of William Warfield.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 26. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w113-cor.