MLA

Ling nan da xue (Guangzhou, China). Agriculture: College Cannery. 51, folder 575. 1921. https://collections.library.yale.edu/catalog/33585499.

APA, 6th edition

Ling nan da xue (Guangzhou, China). (["51, folder 575"])(1921)[Agriculture: College Cannery]. https://collections.library.yale.edu/catalog/33585499.