MLA

Kissinger, Henry, 1923-2023. France, Germany and Netherlands trip, Oct 1959. Box 246, folder 2. 1959 April-October. https://collections.library.yale.edu/catalog/11786429.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 246, folder 2"])(1959 April-October)[France, Germany and Netherlands trip, Oct 1959]. https://collections.library.yale.edu/catalog/11786429.