MLA

Miłosz, Czesław, 1911-2004. "W kilku zdaniach muszę zamknąć ..." (response to a questionnaire), holograph. Box 119, folder 1823. 1950s. https://collections.library.yale.edu/catalog/10081583.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 119, folder 1823"])(1950s)["W kilku zdaniach muszę zamknąć ..." (response to a questionnaire), holograph]. https://collections.library.yale.edu/catalog/10081583.