MLA
VanHorn, D. S. 1897. Oxford College Library (Oxford, Ga.), Box 4, Folder 151. https://digital.library.emory.edu/purl/102c866v2f-cor.
APA, 6th edition
VanHorn, D. S. (Box 4, Folder 151). (1897). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/102c866v2f-cor.
Chicago
“VanHorn, D. S.” Black-and-white photographs. Early Emory College Photographs, 1897. Box 4, Folder 151. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/102c866v2f-cor.