MLA

Kissinger, Henry, 1923-2023. Mexico-press clippings. Box 156, folder 7. 1973. https://collections.library.yale.edu/catalog/12481079.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 156, folder 7"])(1973)[Mexico-press clippings]. https://collections.library.yale.edu/catalog/12481079.