MLA
Walker, George. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP66. https://digital.library.emory.edu/purl/412z34tmqs-cor.
APA, 6th edition
Walker, George (OP66). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tmqs-cor.
Chicago
“Walker, George.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. OP66. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/412z34tmqs-cor.