"Unpublishable chapter" ("The Ocean and a Hungry World")
MLA
Carson, Rachel, 1907-1964. "Unpublishable chapter" ("The Ocean and a Hungry World"). Box 7, folder 134. n.d.. https://collections.library.yale.edu/catalog/17145157.
APA, 6th edition
Carson, Rachel, 1907-1964. (["Box 7, folder 134"])(n.d.)["Unpublishable chapter" ("The Ocean and a Hungry World")]. https://collections.library.yale.edu/catalog/17145157.