MLA

Carson, Rachel, 1907-1964. Insect sterilization. Box 34, folder 614. 1959, n.d.. https://collections.library.yale.edu/catalog/17410650.

APA, 6th edition

Carson, Rachel, 1907-1964. (["Box 34, folder 614"])(1959, n.d.)[Insect sterilization]. https://collections.library.yale.edu/catalog/17410650.