MLA

Carson, Rachel, 1907-1964. Related correspondence. Box 95, folder 1686. 1945-44. https://collections.library.yale.edu/catalog/17410656.

APA, 6th edition

Carson, Rachel, 1907-1964. (["Box 95, folder 1686"])(1945-44)[Related correspondence]. https://collections.library.yale.edu/catalog/17410656.