MLA
Watson. Large Building That Says Embassy Club and Studio Sold to C.Y. Abernathy. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 31. https://digital.library.emory.edu/purl/156zw3r26d-cor.
APA, 6th edition
W. Large building that says Embassy Club and Studio sold to C.Y. Abernathy (Box 31) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/156zw3r26d-cor.
Chicago
Watson. “Large Building That Says Embassy Club and Studio Sold to C.Y. Abernathy.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 31. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/156zw3r26d-cor.