MLA
Gray, H. L. 1887. Oxford College Library (Oxford, Ga.), Box 2, Folder 124. https://digital.library.emory.edu/purl/518rbnzt7s-cor.
APA, 6th edition
Gray, H. L. (Box 2, Folder 124). (1887). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/518rbnzt7s-cor.
Chicago
“Gray, H. L.” Black-and-white photographs. Early Emory College Photographs, 1887. Box 2, Folder 124. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/518rbnzt7s-cor.