Cite

Making drugs in a laboratory, Chengdu, Sichuan, China, ca. 1939

MLA

Making Drugs in a Laboratory, Chengdu, Sichuan, China, Ca. 1939. 1930. https://collections.library.yale.edu/catalog/11426998.

APA, 6th edition

Making drugs in a laboratory, Chengdu, Sichuan, China, ca. 1939. (1930). [General views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11426998.