Cite

Hider, Sam. Hymn with chorus

MLA

Kilpatrick, Jack Frederick (1915-1967). Hider, Sam. Hymn with chorus. Box 14, folder 1239. undated. https://collections.library.yale.edu/catalog/15530873.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 14, folder 1239"])(undated)[Hider, Sam. Hymn with chorus]. https://collections.library.yale.edu/catalog/15530873.