MLA
Hough, A. S. 1875. Oxford College Library (Oxford, Ga.), Box 1, Folder 69. https://digital.library.emory.edu/purl/160cvdndj7-cor.
APA, 6th edition
Hough, A. S. (Box 1, Folder 69). (1875). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/160cvdndj7-cor.
Chicago
“Hough, A. S.” Black-and-white photographs. Early Emory College Photographs, 1875. Box 1, Folder 69. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/160cvdndj7-cor.