Cite

Letter to "Dear friend"

MLA

Kilpatrick, Jack Frederick (1915-1967). Letter to "Dear friend". Box 3, folder 234. undated. https://collections.library.yale.edu/catalog/15492330.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 3, folder 234"])(undated)[Letter to "Dear friend"]. https://collections.library.yale.edu/catalog/15492330.