Cite

Page proofs, photocopy (with letter)

MLA

Warren, Robert Penn, 1905-1989. Page proofs, photocopy (with letter). Box 98, folder 1819. 1973. https://collections.library.yale.edu/catalog/32194817.

APA, 6th edition

Warren, Robert Penn, 1905-1989. (["Box 98, folder 1819"])(1973)[Page proofs, photocopy (with letter)]. https://collections.library.yale.edu/catalog/32194817.