"During the last couple of years ...," draft, typescript, corrected
MLA
Miłosz, Czesław, 1911-2004. "During the last couple of years ...," draft, typescript, corrected. Box 125, folder 1975. circa 1954. https://collections.library.yale.edu/catalog/10087085.
APA, 6th edition
Miłosz, Czesław, 1911-2004. (["Box 125, folder 1975"])(circa 1954)["During the last couple of years ...," draft, typescript, corrected]. https://collections.library.yale.edu/catalog/10087085.