MLA
King, W. P. 1893. Oxford College Library (Oxford, Ga.), Box 4, Folder 20. https://digital.library.emory.edu/purl/95269p8f08-cor.
APA, 6th edition
King, W. P. (Box 4, Folder 20). (1893). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/95269p8f08-cor.
Chicago
“King, W. P.” Black-and-white photographs. Early Emory College Photographs, 1893. Box 4, Folder 20. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/95269p8f08-cor.