MLA

Kissinger, Henry, 1923-2023. Transcripts. Box 197, folder 10. 1974 July 19. https://collections.library.yale.edu/catalog/12480666.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 197, folder 10"])(1974 July 19)[Transcripts]. https://collections.library.yale.edu/catalog/12480666.