MLA

Kilpatrick, Jack Frederick (1915-1967). Church notes. Box 14, folder 1247. 1945 July 6. https://collections.library.yale.edu/catalog/15530881.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 14, folder 1247"])(1945 July 6)[Church notes]. https://collections.library.yale.edu/catalog/15530881.