MLA

Kissinger, Henry, 1923-2023. Transcripts. Box 175, folder 12. 1969 September 12-23. https://collections.library.yale.edu/catalog/12480336.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 175, folder 12"])(1969 September 12-23)[Transcripts]. https://collections.library.yale.edu/catalog/12480336.