MLA

Kissinger, Henry, 1923-2023. Agriculture. Box 182, folder 18. 1963 June-July. https://collections.library.yale.edu/catalog/11785509.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 182, folder 18"])(1963 June-July)[Agriculture]. https://collections.library.yale.edu/catalog/11785509.