MLA

Jones, James, 1921-1977. Synopsis. Box 1, folder 1-2. 1948-51. https://collections.library.yale.edu/catalog/17063354.

APA, 6th edition

Jones, James, 1921-1977. (["Box 1, folder 1-2"])(1948-51)[Synopsis]. https://collections.library.yale.edu/catalog/17063354.