MLA

Carson, Rachel, 1907-1964. Water pollution. Box 37, folder 670. 1956-62. https://collections.library.yale.edu/catalog/17145172.

APA, 6th edition

Carson, Rachel, 1907-1964. (["Box 37, folder 670"])(1956-62)[Water pollution]. https://collections.library.yale.edu/catalog/17145172.