MLA
Unidentified Student. Oxford College Library (Oxford, Ga.), Box 5, Folder 3. https://digital.library.emory.edu/purl/6042rbp0ss-cor.
APA, 6th edition
Unidentified student (Box 5, Folder 3). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/6042rbp0ss-cor.
Chicago
“Unidentified Student.” Black-and-white photographs. Early Emory College Photographs, n.d. Box 5, Folder 3. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/6042rbp0ss-cor.