MLA
Timmons, D. F. C. 1874. Oxford College Library (Oxford, Ga.), OP 1874. https://digital.library.emory.edu/purl/177fqz620g-cor.
APA, 6th edition
Timmons, D. F. C. (OP 1874). (1874). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/177fqz620g-cor.
Chicago
“Timmons, D. F. C.” Black-and-white photographs. Early Emory College Photographs, 1874. OP 1874. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/177fqz620g-cor.