MLA

Kissinger, Henry, 1923-2023. Schütz, Wilhelm Wolfgang, "New Initiatives for a New Age: A German View," Foreign Affairs. Box 291, folder 16. 1958 April. https://collections.library.yale.edu/catalog/11787265.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 291, folder 16"])(1958 April)[Schütz, Wilhelm Wolfgang, "New Initiatives for a New Age: A German View," Foreign Affairs]. https://collections.library.yale.edu/catalog/11787265.