MLA

Kissinger, Henry, 1923-2023. Brookings Institution Public Policy Conference for foundation executives, Washington, DC, Mar 5, 1971. Box 380, folder 13. 1971. https://collections.library.yale.edu/catalog/11775656.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 380, folder 13"])(1971)[Brookings Institution Public Policy Conference for foundation executives, Washington, DC, Mar 5, 1971]. https://collections.library.yale.edu/catalog/11775656.