MLA
Portrait of G.M. Green. 1947. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4. https://digital.library.emory.edu/purl/310jsxkssq-cor.
APA, 6th edition
Portrait of G.M. Green (Box 4). (1947). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/310jsxkssq-cor.
Chicago
“Portrait of G.M. Green.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1947. Box 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/310jsxkssq-cor.