MLA
Gates, E. J. 1889. Oxford College Library (Oxford, Ga.), Box 3, Folder 55. https://digital.library.emory.edu/purl/948sbcc3gj-cor.
APA, 6th edition
Gates, E. J. (Box 3, Folder 55). (1889). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/948sbcc3gj-cor.
Chicago
“Gates, E. J.” Black-and-white photographs. Early Emory College Photographs, 1889. Box 3, Folder 55. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/948sbcc3gj-cor.