MLA

Pound, Ezra, 1885-1972. "Moeurs contemporaines": typescript. Box 126, folder 5209. n.d.. https://collections.library.yale.edu/catalog/32161285.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 126, folder 5209"])(n.d.)["Moeurs contemporaines": typescript]. https://collections.library.yale.edu/catalog/32161285.