MLA

Kissinger, Henry, 1923-2023. Transcripts. Box 192, folder 4. 1973 April 25-26. https://collections.library.yale.edu/catalog/12481522.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 192, folder 4"])(1973 April 25-26)[Transcripts]. https://collections.library.yale.edu/catalog/12481522.