MLA

Stein, Gertrude, 1874-1946. Holograph manuscript. Box 65, folder 1157. 1894-1947. https://collections.library.yale.edu/catalog/2014916.

APA, 6th edition

Stein, Gertrude, 1874-1946. (["Box 65, folder 1157"])(1894-1947)[Holograph manuscript]. https://collections.library.yale.edu/catalog/2014916.