MLA

Ford, Julia Ellsworth, 1859-1950. Huneker, James. Box 1, folder 39. 1914. https://collections.library.yale.edu/catalog/17167836.

APA, 6th edition

Ford, Julia Ellsworth, 1859-1950. (["Box 1, folder 39"])(1914)[Huneker, James]. https://collections.library.yale.edu/catalog/17167836.