MLA

Asch, Sholem, 1880-1957. Appeal to PEN clubs to lend support to protests against persecution of Jews in Germany, typescript. Box 12, folder 119. n.d.. https://collections.library.yale.edu/catalog/32319555.

APA, 6th edition

Asch, Sholem, 1880-1957. (["Box 12, folder 119"])(n.d.)[Appeal to PEN clubs to lend support to protests against persecution of Jews in Germany, typescript]. https://collections.library.yale.edu/catalog/32319555.