MLA

A Photograph Depicting Three Chinese Men and a Native Form of Transportation. Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11476813.

APA, 6th edition

A photograph depicting three Chinese men and a native form of transportation. ca. 1920-1940. (1920). [Group portraits (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11476813.