MLA

Miłosz, Czesław, 1911-2004. Miscellanea. Box 182, folder 2841. 1960s. https://collections.library.yale.edu/catalog/2016948.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 182, folder 2841"])(1960s)[Miscellanea]. https://collections.library.yale.edu/catalog/2016948.