MLA

Gold, Ralph G. Students in Chemistry Laboratory, Fujian Technical School, Fuzhou, Fujian, China, Ca. 1911. 1911. https://collections.library.yale.edu/catalog/11424307.

APA, 6th edition

Gold, R. G. (1911). Students in chemistry laboratory, Fujian Technical School, Fuzhou, Fujian, China, ca. 1911 [Interior scenes (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11424307.