Cite

Writing practice, with short explanation of presentation at the bottom

MLA

Kilpatrick, Jack Frederick (1915-1967). Writing practice, with short explanation of presentation at the bottom. Box 6, folder 506. undated. https://collections.library.yale.edu/catalog/15492646.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 6, folder 506"])(undated)[Writing practice, with short explanation of presentation at the bottom]. https://collections.library.yale.edu/catalog/15492646.