MLA

Wolff, Helen, 1906-1994. Draft, "Von den anfänglichen Ereignissen meines Lebens," typescript, corrected, thermofax. Box 48, folder 1511. [1957]. https://collections.library.yale.edu/catalog/17269624.

APA, 6th edition

Wolff, Helen, 1906-1994. (["Box 48, folder 1511"])([1957])[Draft, "Von den anfänglichen Ereignissen meines Lebens," typescript, corrected, thermofax]. https://collections.library.yale.edu/catalog/17269624.