MLA

Kaufman, Boris (1906-1980). Clippings. Box 1, folder 1. 1976 Feb 14. https://collections.library.yale.edu/catalog/16591740.

APA, 6th edition

Kaufman, Boris (1906-1980). (["Box 1, folder 1"])(1976 Feb 14)[Clippings]. https://collections.library.yale.edu/catalog/16591740.