Cite

Yeats, William Butler, 1865-1939

MLA

Simpson, Percy, 1865-1962. Yeats, William Butler, 1865-1939. 1870-1953. https://collections.library.yale.edu/catalog/2036970.

APA, 6th edition

Simpson, Percy, 1865-1962. (1870-1953)[Yeats, William Butler, 1865-1939]. https://collections.library.yale.edu/catalog/2036970.