MLA
Bush, Homer. 1893. Oxford College Library (Oxford, Ga.), Box 4, Folder 9. https://digital.library.emory.edu/purl/921ghx3gd4-cor.
APA, 6th edition
Bush, Homer (Box 4, Folder 9). (1893). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/921ghx3gd4-cor.
Chicago
“Bush, Homer.” Black-and-white photographs. Early Emory College Photographs, 1893. Box 4, Folder 9. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/921ghx3gd4-cor.