MLA

Kissinger, Henry, 1923-2023. Notes on speeches. Box 249, folder 2. 1962, undated. https://collections.library.yale.edu/catalog/11786498.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 249, folder 2"])(1962, undated)[Notes on speeches]. https://collections.library.yale.edu/catalog/11786498.