MLA
Bonnell, John F. 1888. Oxford College Library (Oxford, Ga.), Box 3, Folder 35. https://digital.library.emory.edu/purl/24298sf8mb-cor.
APA, 6th edition
Bonnell, John F. (Box 3, Folder 35). (1888). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/24298sf8mb-cor.
Chicago
“Bonnell, John F.” Black-and-white photographs. Early Emory College Photographs, 1888. Box 3, Folder 35. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/24298sf8mb-cor.