MLA

Kissinger, Henry, 1923-2023. Clinton, Bill-speeches. Box 645, folder 4. 1999 June. https://collections.library.yale.edu/catalog/11780676.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 645, folder 4"])(1999 June)[Clinton, Bill-speeches]. https://collections.library.yale.edu/catalog/11780676.