MLA

Kissinger, Henry, 1923-2023. Clippings. Box 859, folder 12. 1976 April. https://collections.library.yale.edu/catalog/11776148.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 859, folder 12"])(1976 April)[Clippings]. https://collections.library.yale.edu/catalog/11776148.