MLA

Kissinger, Henry, 1923-2023. Anecdotal "color" papers-Helsinki. Box 209, folder 6. 1975. https://collections.library.yale.edu/catalog/12480842.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 209, folder 6"])(1975)[Anecdotal "color" papers-Helsinki]. https://collections.library.yale.edu/catalog/12480842.