Cite

Scientist examining patient for hookworm, Sichuan, China, ca. 1920-1930

MLA

Scientist Examining Patient for Hookworm, Sichuan, China, Ca. 1920-1930. 1920. https://collections.library.yale.edu/catalog/11425376.

APA, 6th edition

Scientist examining patient for hookworm, Sichuan, China, ca. 1920-1930. (1920). [General views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11425376.