Typescript, carbon, corrected, three copies
MLA
Pauker, Edmond, approximately 1880-1962. Typescript, carbon, corrected, three copies. Box 14, folder 259. n.d.. https://collections.library.yale.edu/catalog/16490948.
APA, 6th edition
Pauker, Edmond, approximately 1880-1962. (["Box 14, folder 259"])(n.d.)[Typescript, carbon, corrected, three copies]. https://collections.library.yale.edu/catalog/16490948.