Cite

Chinese Poetry: Notes (from outside sources): autograph ms., 1 vol.

MLA

Pound, Ezra, 1885-1972. Chinese Poetry: Notes (from outside sources): autograph ms., 1 vol.. Box 100, folder 4231. n.d.. https://collections.library.yale.edu/catalog/17122747.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 100, folder 4231"])(n.d.)[Chinese Poetry: Notes (from outside sources): autograph ms., 1 vol.]. https://collections.library.yale.edu/catalog/17122747.