MLA

Carson, Rachel, 1907-1964. Pesticide resistance. Box 36, folder 644-45. 1954-63, n.d.. https://collections.library.yale.edu/catalog/15808361.

APA, 6th edition

Carson, Rachel, 1907-1964. (["Box 36, folder 644-45"])(1954-63, n.d.)[Pesticide resistance]. https://collections.library.yale.edu/catalog/15808361.