MLA

Stein, Gertrude, 1874-1946. Manuscript notebook. Box 29, folder 615. [1928]. https://collections.library.yale.edu/catalog/2003439.

APA, 6th edition

Stein, Gertrude, 1874-1946. (["Box 29, folder 615"])([1928])[Manuscript notebook]. https://collections.library.yale.edu/catalog/2003439.