MLA
Trimble, R. W. 1886. Oxford College Library (Oxford, Ga.), Box 2, Folder 116. https://digital.library.emory.edu/purl/470zpc8789-cor.
APA, 6th edition
Trimble, R. W. (Box 2, Folder 116). (1886). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/470zpc8789-cor.
Chicago
“Trimble, R. W.” Black-and-white photographs. Early Emory College Photographs, 1886. Box 2, Folder 116. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/470zpc8789-cor.