MLA

Kissinger, Henry, 1923-2023. Nevin, David. Box 200, folder 23. 1968 June. https://collections.library.yale.edu/catalog/11785870.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 200, folder 23"])(1968 June)[Nevin, David]. https://collections.library.yale.edu/catalog/11785870.