Cite

"Death of a Poet," on Boris Pasternak

MLA

Schwartz, Delmore, 1913-1966. "Death of a Poet," on Boris Pasternak. Box 7, folder 412. undated. https://collections.library.yale.edu/catalog/17078953.

APA, 6th edition

Schwartz, Delmore, 1913-1966. (["Box 7, folder 412"])(undated)["Death of a Poet," on Boris Pasternak]. https://collections.library.yale.edu/catalog/17078953.