MLA

Ford, Julia Ellsworth, 1859-1950. Publication Material. Box 4, folder 100. 1914-1919. https://collections.library.yale.edu/catalog/17167849.

APA, 6th edition

Ford, Julia Ellsworth, 1859-1950. (["Box 4, folder 100"])(1914-1919)[Publication Material]. https://collections.library.yale.edu/catalog/17167849.