Cite

Rock, Ketcher. Journal or notebook

MLA

Kilpatrick, Jack Frederick (1915-1967). Rock, Ketcher. Journal or notebook. Box 14, folder 1234. circa 1946. https://collections.library.yale.edu/catalog/15530869.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 14, folder 1234"])(circa 1946)[Rock, Ketcher. Journal or notebook]. https://collections.library.yale.edu/catalog/15530869.