MLA

Kissinger, Henry, 1923-2023. Nixon daughters. Box 361, folder 28. 1970-1971. https://collections.library.yale.edu/catalog/11775415.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 361, folder 28"])(1970-1971)[Nixon daughters]. https://collections.library.yale.edu/catalog/11775415.