MLA

Kissinger, Henry, 1923-2023. Sandia Corporation. Box 111, folder 1. 1963-1968. https://collections.library.yale.edu/catalog/11784280.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 111, folder 1"])(1963-1968)[Sandia Corporation]. https://collections.library.yale.edu/catalog/11784280.