MLA

Fisher, Vardis, 1895-1968. Nowell, Elizabeth. Box 25. 1955-1958. https://collections.library.yale.edu/catalog/17205554.

APA, 6th edition

Fisher, Vardis, 1895-1968. (["Box 25"])(1955-1958)[Nowell, Elizabeth]. https://collections.library.yale.edu/catalog/17205554.