Cite

Gateway to the palaces of the Forbidden City, Beijing, China, ca. 1922

MLA

Barbour, Margaret Hart. Gateway to the Palaces of the Forbidden City, Beijing, China, Ca. 1922. 1922. https://collections.library.yale.edu/catalog/11420972.

APA, 6th edition

Barbour, M. H. (1922). Gateway to the palaces of the Forbidden City, Beijing, China, ca. 1922 [Exterior views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11420972.