Math classes at Mary Porter Gamewell School, Beijing, China, 1908
MLA
Math Classes at Mary Porter Gamewell School, Beijing, China, 1908. 1908. https://collections.library.yale.edu/catalog/11424119.
APA, 6th edition
Math classes at Mary Porter Gamewell School, Beijing, China, 1908. (1908). [Group portraits (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11424119.