MLA
Dowman, Chas. E. 1873. Oxford College Library (Oxford, Ga.), Box 1, Folder 43. https://digital.library.emory.edu/purl/856n02v7z3-cor.
APA, 6th edition
Dowman, Chas. E. (Box 1, Folder 43). (1873). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/856n02v7z3-cor.
Chicago
“Dowman, Chas. E.” Black-and-white photographs. Early Emory College Photographs, 1873. Box 1, Folder 43. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/856n02v7z3-cor.