MLA
Harris, E. C. 1907. Oxford College Library (Oxford, Ga.), OP 1907. https://digital.library.emory.edu/purl/866vx0k7fv-cor.
APA, 6th edition
Harris, E. C. (OP 1907). (1907). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/866vx0k7fv-cor.
Chicago
“Harris, E. C.” Black-and-white photographs. Early Emory College Photographs, 1907. OP 1907. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/866vx0k7fv-cor.