MLA

Acton, Harold, 1904-1994. Act XLVIII. Receiving the News. Box 2, folder 123-124. 1933 1941. https://collections.library.yale.edu/catalog/16604595.

APA, 6th edition

Acton, Harold, 1904-1994. (["Box 2, folder 123-124"])(1933 1941)[Act XLVIII. Receiving the News]. https://collections.library.yale.edu/catalog/16604595.