MLA
Chambers, P. F. 1873. Oxford College Library (Oxford, Ga.), Box 1, Folder 42. https://digital.library.emory.edu/purl/4881jwsvpd-cor.
APA, 6th edition
Chambers, P. F. (Box 1, Folder 42). (1873). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/4881jwsvpd-cor.
Chicago
“Chambers, P. F.” Black-and-white photographs. Early Emory College Photographs, 1873. Box 1, Folder 42. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/4881jwsvpd-cor.