MLA

Xie he yi yuan (Beijing, China). Fifteenth Annual Report of the Medical Superintendant of the Peking Union Medical College Hospital, for the Year Ending June 30, 1923. 1923. https://collections.library.yale.edu/catalog/16932505.

APA, 6th edition

Xie he yi yuan (Beijing, China). (1923)[Fifteenth Annual Report of the Medical Superintendant of the Peking Union Medical College Hospital, for the Year Ending June 30, 1923]. https://collections.library.yale.edu/catalog/16932505.