MLA
O'Kelley, T. D. 1878. Oxford College Library (Oxford, Ga.), Box 1, Folder 121. https://digital.library.emory.edu/purl/443nvx0m5r-cor.
APA, 6th edition
O'Kelley, T. D. (Box 1, Folder 121). (1878). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/443nvx0m5r-cor.
Chicago
“O'Kelley, T. D.” Black-and-white photographs. Early Emory College Photographs, 1878. Box 1, Folder 121. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/443nvx0m5r-cor.