Cite

Learning to judge dairy cattle, Chengdu, Sichuan, China, ca. 1939

MLA

Learning to Judge Dairy Cattle, Chengdu, Sichuan, China, Ca. 1939. 1930. https://collections.library.yale.edu/catalog/11426925.

APA, 6th edition

Learning to judge dairy cattle, Chengdu, Sichuan, China, ca. 1939. (1930). [General views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11426925.