Cite

Letter or note

MLA

Kilpatrick, Jack Frederick (1915-1967). Letter or note. Box 6, folder 520. 1912 August 9. https://collections.library.yale.edu/catalog/15492660.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 6, folder 520"])(1912 August 9)[Letter or note]. https://collections.library.yale.edu/catalog/15492660.