MLA
B. B. King Holding Guitar with Unidentified African American Man. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 27. https://digital.library.emory.edu/purl/4816m905vg-cor.
APA, 6th edition
B. B. King holding guitar with unidentified African American man (Box 27). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4816m905vg-cor.
Chicago
“B. B. King Holding Guitar with Unidentified African American Man.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 27. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4816m905vg-cor.