Cite

Note, on printed sheet of "Study Assignments"

MLA

Kilpatrick, Jack Frederick (1915-1967). Note, on printed sheet of "Study Assignments". Box 5, folder 364. undated. https://collections.library.yale.edu/catalog/15492345.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 5, folder 364"])(undated)[Note, on printed sheet of "Study Assignments"]. https://collections.library.yale.edu/catalog/15492345.