MLA

Cohen, Felix S., 1907-1953. Alaska bill publicity. Box 101, folder 1637. 1942. https://collections.library.yale.edu/catalog/32494372.

APA, 6th edition

Cohen, Felix S., 1907-1953. (["Box 101, folder 1637"])(1942)[Alaska bill publicity]. https://collections.library.yale.edu/catalog/32494372.