MLA

Pound, Ezra, 1885-1972. [Benton Award]: typescript, with notes. Box 69, folder 3043. [1955-57]. https://collections.library.yale.edu/catalog/17122657.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 69, folder 3043"])([1955-57])[[Benton Award]: typescript, with notes]. https://collections.library.yale.edu/catalog/17122657.