MLA

Miłosz, Czesław, 1911-2004. "Pisanie miało dla mnie zawsze sens ...," holograph, corrected and typescript carbon. Box 119, folder 1828. circa 1961. https://collections.library.yale.edu/catalog/10081900.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 119, folder 1828"])(circa 1961)["Pisanie miało dla mnie zawsze sens ...," holograph, corrected and typescript carbon]. https://collections.library.yale.edu/catalog/10081900.