Cite

Yeats, W. B. (William Butler)

MLA

Pound, Ezra, 1885-1972. Yeats, W. B. (William Butler). Box 56, folder 2578-2582. [1909]-57. https://collections.library.yale.edu/catalog/2000071.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 56, folder 2578-2582"])([1909]-57)[Yeats, W. B. (William Butler)]. https://collections.library.yale.edu/catalog/2000071.