MLA

Kissinger, Henry, 1923-2023. Anecdotes and vignettes. Box 643, folder 2. 1977-1979, undated. https://collections.library.yale.edu/catalog/11780646.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 643, folder 2"])(1977-1979, undated)[Anecdotes and vignettes]. https://collections.library.yale.edu/catalog/11780646.