Cite

A colored photograph of two Chinese girls doing laundry, ca. 1920-1940.

MLA

A Colored Photograph of Two Chinese Girls Doing Laundry, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11476820.

APA, 6th edition

A colored photograph of two Chinese girls doing laundry, ca. 1920-1940. (1920). [Group portraits (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11476820.