MLA

Miłosz, Czesław, 1911-2004. Do Skylesa, holograph and typescript. Box 91, folder 1260. 1943. https://collections.library.yale.edu/catalog/10079609.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 91, folder 1260"])(1943)[Do Skylesa, holograph and typescript]. https://collections.library.yale.edu/catalog/10079609.