MLA
Duncan, Dr. F. N. 1910. Oxford College Library (Oxford, Ga.), OP 1910. https://digital.library.emory.edu/purl/095j9kd62w-cor.
APA, 6th edition
Duncan, Dr. F. N. (OP 1910). (1910). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/095j9kd62w-cor.
Chicago
“Duncan, Dr. F. N.” Black-and-white photographs. Early Emory College Photographs, 1910. OP 1910. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/095j9kd62w-cor.