MLA

Kilpatrick, Jack Frederick (1915-1967). Financial record. Box 21, folder 1766. 1942. https://collections.library.yale.edu/catalog/15532346.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 21, folder 1766"])(1942)[Financial record]. https://collections.library.yale.edu/catalog/15532346.