Cite

Distant view of cave homes dug into mountain side, Gansu Province, China, ca. 1926

MLA

Caldwell, Mary W. Distant View of Cave Homes Dug into Mountain Side, Gansu Province, China, Ca. 1926. 1926. https://collections.library.yale.edu/catalog/11423951.

APA, 6th edition

Caldwell, M. W. (1926). Distant view of cave homes dug into mountain side, Gansu Province, China, ca. 1926 [Exterior views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11423951.