Cite

Herding ducks on creek, China, ca. 1920-1930

MLA

Herding Ducks on Creek, China, Ca. 1920-1930. 1920. https://collections.library.yale.edu/catalog/11424684.

APA, 6th edition

Herding ducks on creek, China, ca. 1920-1930. (1920). [Photographs (AAT), topographical views (AAT)]. https://collections.library.yale.edu/catalog/11424684.