MLA

Ford, Charles Henri, 1908-2002. Serbanne, Claude. Box 2, folder 165. 1945-46, n.d.. https://collections.library.yale.edu/catalog/17124863.

APA, 6th edition

Ford, Charles Henri, 1908-2002. (["Box 2, folder 165"])(1945-46, n.d.)[Serbanne, Claude]. https://collections.library.yale.edu/catalog/17124863.