MLA
Duncan, Raymond. 1905. Oxford College Library (Oxford, Ga.), OP 1905. https://digital.library.emory.edu/purl/3483j9kf4x-cor.
APA, 6th edition
Duncan, Raymond (OP 1905). (1905). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/3483j9kf4x-cor.
Chicago
“Duncan, Raymond.” Black-and-white photographs. Early Emory College Photographs, 1905. OP 1905. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/3483j9kf4x-cor.