MLA

Schutz, Alfred, 1899-1959. Clipping, annotated. Box 33, folder 899. 1955 Aug 27. https://collections.library.yale.edu/catalog/16470626.

APA, 6th edition

Schutz, Alfred, 1899-1959. (["Box 33, folder 899"])(1955 Aug 27)[Clipping, annotated]. https://collections.library.yale.edu/catalog/16470626.