[Dialogue--(between R & S)]: autograph ms.
MLA
Pound, Ezra, 1885-1972. [Dialogue--(between R & S)]: autograph ms.. Box 96, folder 4055. [ca 1916?]. https://collections.library.yale.edu/catalog/2036851.
APA, 6th edition
Pound, Ezra, 1885-1972. (["Box 96, folder 4055"])([ca 1916?])[[Dialogue--(between R & S)]: autograph ms.]. https://collections.library.yale.edu/catalog/2036851.