MLA
Gunter, W. H. H. 1871. Oxford College Library (Oxford, Ga.), Box 1, Folder 21. https://digital.library.emory.edu/purl/286nzs7j3s-cor.
APA, 6th edition
Gunter, W. H. H. (Box 1, Folder 21). (1871). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/286nzs7j3s-cor.
Chicago
“Gunter, W. H. H.” Black-and-white photographs. Early Emory College Photographs, 1871. Box 1, Folder 21. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/286nzs7j3s-cor.