APA (7th ed.) Citation

Yeats, W. B. (1971). Four years. Irish University Press.

Chicago Style (17th ed.) Citation

Yeats, W. B. Four Years. Shannon: Irish University Press, 1971.

MLA (9th ed.) Citation

Yeats, W. B. Four Years. Irish University Press, 1971.

Warning: These citations may not always be 100% accurate.