MLA
Portrait of Marian Anderson. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 28. https://digital.library.emory.edu/purl/3720cfxpt9-cor.
APA, 6th edition
Portrait of Marian Anderson (Box 28). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxpt9-cor.
Chicago
“Portrait of Marian Anderson.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 28. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxpt9-cor.