MLA

Kilpatrick, Jack Frederick (1915-1967). Obituary. Box 22, folder 1786. 1944 May 27. https://collections.library.yale.edu/catalog/15532590.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 22, folder 1786"])(1944 May 27)[Obituary]. https://collections.library.yale.edu/catalog/15532590.