MLA

Kissinger, Henry, 1923-2023. General. Box 281, folder 11. 1966 November-1969 January. https://collections.library.yale.edu/catalog/11787043.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 281, folder 11"])(1966 November-1969 January)[General]. https://collections.library.yale.edu/catalog/11787043.