MLA

Pound, Ezra, 1885-1972. Newspaper clippings. Box 72, folder 3241. 1924-30. https://collections.library.yale.edu/catalog/16169378.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 72, folder 3241"])(1924-30)[Newspaper clippings]. https://collections.library.yale.edu/catalog/16169378.