MLA

Kissinger, Henry, 1923-2023. "Survey by National School Boards Association Regarding Federal Aid to Education". Box 182, folder 16. 1962 May. https://collections.library.yale.edu/catalog/11785507.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 182, folder 16"])(1962 May)["Survey by National School Boards Association Regarding Federal Aid to Education"]. https://collections.library.yale.edu/catalog/11785507.