MLA

Kissinger, Henry, 1923-2023. China. Box 118, folder 2. 2006 July. https://collections.library.yale.edu/catalog/12479555.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 118, folder 2"])(2006 July)[China]. https://collections.library.yale.edu/catalog/12479555.