The wild swans at Coole
MLA
Yeats, W. B. (William Butler), 1865-1939. The wild swans at Coole. 1917. https://collections.library.yale.edu/catalog/2000238.
APA, 6th edition
Yeats, W. B. (William Butler), 1865-1939. (1917)[The wild swans at Coole]. https://collections.library.yale.edu/catalog/2000238.