MLA

Kissinger, Henry, 1923-2023. Transcripts. Box 180, folder 9. 1970 December 15-18. https://collections.library.yale.edu/catalog/12480617.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 180, folder 9"])(1970 December 15-18)[Transcripts]. https://collections.library.yale.edu/catalog/12480617.