MLA
Lewis, Walker. 1868. Oxford College Library (Oxford, Ga.), Box 1, Folder 1. https://digital.library.emory.edu/purl/1504xgxf15-cor.
APA, 6th edition
Lewis, Walker (Box 1, Folder 1). (1868). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/1504xgxf15-cor.
Chicago
“Lewis, Walker.” Black-and-white photographs. Early Emory College Photographs, 1868. Box 1, Folder 1. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/1504xgxf15-cor.