Manuscript Materials
MLA
Kelly, Richard, 1910-1977. Manuscript Materials. Box 72. 1939-1977. https://collections.library.yale.edu/catalog/10020272.
APA, 6th edition
Kelly, Richard, 1910-1977. (["Box 72"])(1939-1977)[Manuscript Materials]. https://collections.library.yale.edu/catalog/10020272.