MLA
Stafford, R. N. 1876. Oxford College Library (Oxford, Ga.), Box 1, Folder 91. https://digital.library.emory.edu/purl/28380gb6k8-cor.
APA, 6th edition
Stafford, R. N. (Box 1, Folder 91). (1876). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/28380gb6k8-cor.
Chicago
“Stafford, R. N.” Black-and-white photographs. Early Emory College Photographs, 1876. Box 1, Folder 91. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/28380gb6k8-cor.