MLA

Ford, Julia Ellsworth, 1859-1950. Hossain, Syud. Box 1, folder 37. 1924 October. https://collections.library.yale.edu/catalog/17167834.

APA, 6th edition

Ford, Julia Ellsworth, 1859-1950. (["Box 1, folder 37"])(1924 October)[Hossain, Syud]. https://collections.library.yale.edu/catalog/17167834.