MLA

Kissinger, Henry, 1923-2023. Bilderberg meeting. Box 347, folder 1. 1972. https://collections.library.yale.edu/catalog/11775197.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 347, folder 1"])(1972)[Bilderberg meeting]. https://collections.library.yale.edu/catalog/11775197.