MLA

Kissinger, Henry, 1923-2023. Nuñez, Julio E., "The Dynamic Society," Instituto Chihuahuense de Estudios Sociales. Box 290, folder 7. 1963 June. https://collections.library.yale.edu/catalog/11787235.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 290, folder 7"])(1963 June)[Nuñez, Julio E., "The Dynamic Society," Instituto Chihuahuense de Estudios Sociales]. https://collections.library.yale.edu/catalog/11787235.