MLA

Harding, M. Esther (Mary Esther), 1888-1971. Analytical notes and journals. Box 4. 1933-1970. https://collections.library.yale.edu/catalog/17343957.

APA, 6th edition

Harding, M. Esther (Mary Esther), 1888-1971. (["Box 4"])(1933-1970)[Analytical notes and journals]. https://collections.library.yale.edu/catalog/17343957.