MLA

Kissinger, Henry, 1923-2023. Killian, James R., "America's Capacity to Maintain Technological Leadership". Box 288, folder 13. 1956, undated. https://collections.library.yale.edu/catalog/11787187.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 288, folder 13"])(1956, undated)[Killian, James R., "America's Capacity to Maintain Technological Leadership"]. https://collections.library.yale.edu/catalog/11787187.