MLA

Hume, Edward H. (Edward Hicks), 1876-1957. China Society of America. Box 2, folder 24. 1922. https://collections.library.yale.edu/catalog/33513498.

APA, 6th edition

Hume, Edward H. (Edward Hicks), 1876-1957. (["Box 2, folder 24"])(1922)[China Society of America]. https://collections.library.yale.edu/catalog/33513498.