MLA
Featherston, W. S. 1877. Oxford College Library (Oxford, Ga.), Box 1, Folder 99. https://digital.library.emory.edu/purl/996k0p2ph5-cor.
APA, 6th edition
Featherston, W. S. (Box 1, Folder 99). (1877). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/996k0p2ph5-cor.
Chicago
“Featherston, W. S.” Black-and-white photographs. Early Emory College Photographs, 1877. Box 1, Folder 99. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/996k0p2ph5-cor.