Cite

Berenson, Bernard

MLA

Stein, Gertrude, 1874-1946. Berenson, Bernard. Box 153, folder 3753a. n.d.. https://collections.library.yale.edu/catalog/9998170.

APA, 6th edition

Stein, Gertrude, 1874-1946. (["Box 153, folder 3753a"])(n.d.)[Berenson, Bernard]. https://collections.library.yale.edu/catalog/9998170.