MLA

Kilpatrick, Jack Frederick (1915-1967). Echota Sunday School notes, 6 pages. Box 1, folder 60. 1935. https://collections.library.yale.edu/catalog/15492061.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 1, folder 60"])(1935)[Echota Sunday School notes, 6 pages]. https://collections.library.yale.edu/catalog/15492061.