APA (7th ed.) Citation

Yeats, W. B. (1949). The collected poems of W.B. Yeats. The Macmillan company.

Chicago Style (17th ed.) Citation

Yeats, William Butler. The Collected Poems of W.B. Yeats. New York: The Macmillan company, 1949.

MLA (9th ed.) Citation

Yeats, William Butler. The Collected Poems of W.B. Yeats. The Macmillan company, 1949.