MLA
Hoyt, W. R. 1879. Oxford College Library (Oxford, Ga.), Box 2, Folder 9. https://digital.library.emory.edu/purl/863fxpnwxg-cor.
APA, 6th edition
Hoyt, W. R. (Box 2, Folder 9). (1879). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/863fxpnwxg-cor.
Chicago
“Hoyt, W. R.” Black-and-white photographs. Early Emory College Photographs, 1879. Box 2, Folder 9. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/863fxpnwxg-cor.