MLA

Kissinger, Henry, 1923-2023. Recollections of Kissinger foreign trips by Richard Valeriani [2 of 2]. Box 673, folder 7. Circa 1977-circa 2006. https://collections.library.yale.edu/catalog/11780989.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 673, folder 7"])(Circa 1977-circa 2006)[Recollections of Kissinger foreign trips by Richard Valeriani [2 of 2]]. https://collections.library.yale.edu/catalog/11780989.