MLA
Bonnell, John F. 1892. Oxford College Library (Oxford, Ga.), Box 3, Folder 100. https://digital.library.emory.edu/purl/6149p8d08v-cor.
APA, 6th edition
Bonnell, John F. (Box 3, Folder 100). (1892). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/6149p8d08v-cor.
Chicago
“Bonnell, John F.” Black-and-white photographs. Early Emory College Photographs, 1892. Box 3, Folder 100. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/6149p8d08v-cor.