MLA

Miłosz, Czesław, 1911-2004. Miscellanea. Box 185, folder 2893. 1983. https://collections.library.yale.edu/catalog/10080246.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 185, folder 2893"])(1983)[Miscellanea]. https://collections.library.yale.edu/catalog/10080246.