MLA

Kissinger, Henry, 1923-2023. Clippings. Box 861, folder 20. 1979 March. https://collections.library.yale.edu/catalog/11776191.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 861, folder 20"])(1979 March)[Clippings]. https://collections.library.yale.edu/catalog/11776191.