MLA

Kissinger, Henry, 1923-2023. Eric Breindel eulogy, Mar 9, 1998. Box 731, folder 8. 1998. https://collections.library.yale.edu/catalog/11781914.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 731, folder 8"])(1998)[Eric Breindel eulogy, Mar 9, 1998]. https://collections.library.yale.edu/catalog/11781914.