MLA
Watkins, W. B. 1887. Oxford College Library (Oxford, Ga.), Box 2, Folder 147. https://digital.library.emory.edu/purl/252j6q5839-cor.
APA, 6th edition
Watkins, W. B. (Box 2, Folder 147). (1887). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/252j6q5839-cor.
Chicago
“Watkins, W. B.” Black-and-white photographs. Early Emory College Photographs, 1887. Box 2, Folder 147. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/252j6q5839-cor.