MLA

Kissinger, Henry, 1923-2023. Convair. Box 14, folder 2. 1960-1961. https://collections.library.yale.edu/catalog/11782531.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 14, folder 2"])(1960-1961)[Convair]. https://collections.library.yale.edu/catalog/11782531.