MLA

Miłosz, Czesław, 1911-2004. Banac, Ivo. Box 7, folder 146. 1991-1992. https://collections.library.yale.edu/catalog/10050428.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 7, folder 146"])(1991-1992)[Banac, Ivo]. https://collections.library.yale.edu/catalog/10050428.