MLA

Kissinger, Henry, 1923-2023. "Building the Economic Base for Better Living throughout the World," National Conference of Social Work, May 30, 1952. Box 155, folder 7. 1952 May. https://collections.library.yale.edu/catalog/11785060.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 155, folder 7"])(1952 May)["Building the Economic Base for Better Living throughout the World," National Conference of Social Work, May 30, 1952]. https://collections.library.yale.edu/catalog/11785060.