MLA

Kilpatrick, Jack Frederick (1915-1967). Nitehawk Stomp Dance. Box 7, folder 562. undated. https://collections.library.yale.edu/catalog/15492787.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 7, folder 562"])(undated)[Nitehawk Stomp Dance]. https://collections.library.yale.edu/catalog/15492787.