MLA

Pound, Ezra, 1885-1972. Carnevali, Emanuel. Box 8, folder 344. 1930-37. https://collections.library.yale.edu/catalog/10270296.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 8, folder 344"])(1930-37)[Carnevali, Emanuel]. https://collections.library.yale.edu/catalog/10270296.