MLA
Pool, W. R. 1873. Oxford College Library (Oxford, Ga.), Box 1, Folder 55. https://digital.library.emory.edu/purl/723hx3fg9v-cor.
APA, 6th edition
Pool, W. R. (Box 1, Folder 55). (1873). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/723hx3fg9v-cor.
Chicago
“Pool, W. R.” Black-and-white photographs. Early Emory College Photographs, 1873. Box 1, Folder 55. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/723hx3fg9v-cor.