MLA

Jolas, Eugène, 1894-1952. "Chanson," typescript, corrected. Box 44, folder 1006. n.d.. https://collections.library.yale.edu/catalog/32581263.

APA, 6th edition

Jolas, Eugène, 1894-1952. (["Box 44, folder 1006"])(n.d.)["Chanson," typescript, corrected]. https://collections.library.yale.edu/catalog/32581263.