MLA

Erdoes, Richard, 1912-2008. Anti-alcoholism. Box 180, folder 966. undated. https://collections.library.yale.edu/catalog/17266040.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 180, folder 966"])(undated)[Anti-alcoholism]. https://collections.library.yale.edu/catalog/17266040.