MLA

Ford, Charles Henri, 1908-2002. Massey, Joe. Box 2, folder 120. 1946-47. https://collections.library.yale.edu/catalog/17124857.

APA, 6th edition

Ford, Charles Henri, 1908-2002. (["Box 2, folder 120"])(1946-47)[Massey, Joe]. https://collections.library.yale.edu/catalog/17124857.