MLA

Kissinger, Henry, 1923-2023. Hussein, King of Jordan. Box 297, folder 5. 1973. https://collections.library.yale.edu/catalog/11774437.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 297, folder 5"])(1973)[Hussein, King of Jordan]. https://collections.library.yale.edu/catalog/11774437.