MLA

Kissinger, Henry, 1923-2023. G. Box 297, folder 1. 1970-1976. https://collections.library.yale.edu/catalog/11774433.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 297, folder 1"])(1970-1976)[G]. https://collections.library.yale.edu/catalog/11774433.