MLA

Kissinger, Henry, 1923-2023. Speech and question and answer session on Vietnam negotiations, Oct 10, 1968. Box 253, folder 18. Circa 1968 October. https://collections.library.yale.edu/catalog/11786629.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 253, folder 18"])(Circa 1968 October)[Speech and question and answer session on Vietnam negotiations, Oct 10, 1968]. https://collections.library.yale.edu/catalog/11786629.