MLA

Kissinger, Henry, 1923-2023. Transcripts. Box 174, folder 9. 1969 March 19-28. https://collections.library.yale.edu/catalog/12480838.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 174, folder 9"])(1969 March 19-28)[Transcripts]. https://collections.library.yale.edu/catalog/12480838.