MLA

Carson, Rachel, 1907-1964. Honorary degrees. Box 107, folder 2056-57. 1951-64. https://collections.library.yale.edu/catalog/10191696.

APA, 6th edition

Carson, Rachel, 1907-1964. (["Box 107, folder 2056-57"])(1951-64)[Honorary degrees]. https://collections.library.yale.edu/catalog/10191696.