MLA
Portrait of Ethel in Denver, Colorado. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 28. https://digital.library.emory.edu/purl/351hhmgqs4-cor.
APA, 6th edition
Portrait of Ethel in Denver, Colorado (Box 28). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/351hhmgqs4-cor.
Chicago
“Portrait of Ethel in Denver, Colorado.” 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/351hhmgqs4-cor.