"Poetry and the Poets"
MLA
Schwartz, Delmore, 1913-1966. "Poetry and the Poets". Box 3, folder 177. 1954. https://collections.library.yale.edu/catalog/17405230.
APA, 6th edition
Schwartz, Delmore, 1913-1966. (["Box 3, folder 177"])(1954)["Poetry and the Poets"]. https://collections.library.yale.edu/catalog/17405230.