"Ecrivisse?": typescript, corrected
MLA
Pound, Ezra, 1885-1972. "Ecrivisse?": typescript, corrected. Box 33, folder 751. [1933]. https://collections.library.yale.edu/catalog/2042131.
APA, 6th edition
Pound, Ezra, 1885-1972. (["Box 33, folder 751"])([1933])["Ecrivisse?": typescript, corrected]. https://collections.library.yale.edu/catalog/2042131.