MLA
News, and Publications Bureau. College of Arts and Sciences - Leon Mandell, Professor of Chemistry. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8, Folder 4. https://digital.library.emory.edu/purl/675r7sqw03-cor.
APA, 6th edition
N., & Bureau, P. (1969). College of Arts and Sciences - Leon Mandell, Professor of Chemistry (Box 8, Folder 4) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqw03-cor.
Chicago
News, and Publications Bureau. “College of Arts and Sciences - Leon Mandell, Professor of Chemistry.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1969. Box 8, Folder 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqw03-cor.