MLA
Nicholson, W. B. R. 1891. Oxford College Library (Oxford, Ga.), Box 3, Folder 89. https://digital.library.emory.edu/purl/825x69p9ch-cor.
APA, 6th edition
Nicholson, W. B. R. (Box 3, Folder 89). (1891). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/825x69p9ch-cor.
Chicago
“Nicholson, W. B. R.” Black-and-white photographs. Early Emory College Photographs, 1891. Box 3, Folder 89. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/825x69p9ch-cor.