MLA
Catalog of Emory at Oxford, Preparatory School and Junior College : Announcements, 1949-1950. [publisher not identified], 1949. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/416c2fqzs0-cor.
APA, 6th edition
Catalog of Emory at Oxford, preparatory school and Junior College : announcements, 1949-1950. (1949). [publisher not identified]; Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/416c2fqzs0-cor.
Chicago
“Catalog of Emory at Oxford, Preparatory School and Junior College : Announcements, 1949-1950.” Emory University Course Catalogs and Bulletins. [Oxford, Ga.]: [publisher not identified], 1949. Oxford College Library (Oxford, Ga.). https://digital.library.emory.edu/purl/416c2fqzs0-cor.