MLA
Turnbull, W. T. 1880. Oxford College Library (Oxford, Ga.), Box 2, Folder 50. https://digital.library.emory.edu/purl/12683bk4hp-cor.
APA, 6th edition
Turnbull, W. T. (Box 2, Folder 50). (1880). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/12683bk4hp-cor.
Chicago
“Turnbull, W. T.” Black-and-white photographs. Early Emory College Photographs, 1880. Box 2, Folder 50. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/12683bk4hp-cor.