MLA
Adair. Signed Picture of T-Bone Walker to Lucius Long. 1946. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 26. https://digital.library.emory.edu/purl/750tqjq2gp-cor.
APA, 6th edition
A. (1946). Signed picture of T-Bone Walker to Lucius Long (Box 26) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/750tqjq2gp-cor.
Chicago
Adair. “Signed Picture of T-Bone Walker to Lucius Long.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1946. Box 26. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/750tqjq2gp-cor.