MLA
Blalock, A. L. 1883. Oxford College Library (Oxford, Ga.), Box 2, Folder 66. https://digital.library.emory.edu/purl/4407wm38n4-cor.
APA, 6th edition
Blalock, A. L. (Box 2, Folder 66). (1883). [Black-and-white photographs]. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/4407wm38n4-cor.
Chicago
“Blalock, A. L.” Black-and-white photographs. Early Emory College Photographs, 1883. Box 2, Folder 66. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/4407wm38n4-cor.