MLA

Kissinger, Henry, 1923-2023. Transcripts. Box 181, folder 12. 1971 March 22. https://collections.library.yale.edu/catalog/12480394.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 181, folder 12"])(1971 March 22)[Transcripts]. https://collections.library.yale.edu/catalog/12480394.