MLA

Xie he yi yuan (Beijing, China). Peiping Union Medical College Hospital. Twenty-First Annual Report of the Medical Superintendant, June 30, 1929. 1929. https://collections.library.yale.edu/catalog/16932511.

APA, 6th edition

Xie he yi yuan (Beijing, China). (1929)[Peiping Union Medical College Hospital. Twenty-First Annual Report of the Medical Superintendant, June 30, 1929]. https://collections.library.yale.edu/catalog/16932511.