MLA

Kissinger, Henry, 1923-2023. Latin America speeches. Box 687, folder 6. 1973-1977. https://collections.library.yale.edu/catalog/11781125.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 687, folder 6"])(1973-1977)[Latin America speeches]. https://collections.library.yale.edu/catalog/11781125.