MLA

Miłosz, Czesław, 1911-2004. In France. Box 183, folder 2850. 1979. https://collections.library.yale.edu/catalog/10050394.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 183, folder 2850"])(1979)[In France]. https://collections.library.yale.edu/catalog/10050394.