MLA

Kissinger, Henry, 1923-2023. Shelmerdine, Dominic. Box 552, folder 5. 2000. https://collections.library.yale.edu/catalog/11779431.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 552, folder 5"])(2000)[Shelmerdine, Dominic]. https://collections.library.yale.edu/catalog/11779431.