Szilard, Leo, "Proposal for a Statement to be Issued by the Conference"
MLA
Kissinger, Henry, 1923-2023. Szilard, Leo, "Proposal for a Statement to be Issued by the Conference". Box 108, folder 9. 1961 September 15. https://collections.library.yale.edu/catalog/11784244.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 108, folder 9"])(1961 September 15)[Szilard, Leo, "Proposal for a Statement to be Issued by the Conference"]. https://collections.library.yale.edu/catalog/11784244.