Cantos 74-75: typescript
MLA
Pound, Ezra, 1885-1972. Cantos 74-75: typescript. Box 76, folder 3387. n.d.. https://collections.library.yale.edu/catalog/2042134.
APA, 6th edition
Pound, Ezra, 1885-1972. (["Box 76, folder 3387"])(n.d.)[Cantos 74-75: typescript]. https://collections.library.yale.edu/catalog/2042134.