APA (7th ed.) Zitazioa

Yeats, . W. B. Selected poems and three plays of william butler yeats (Third edition.). Collier Books.

Chicago Style (17th ed.) Zitazioa

Yeats, William Butler. Selected Poems and Three Plays of William Butler Yeats. Third edition. New York: Collier Books.

MLA (9th ed.) Zitazioa

Yeats, William Butler. Selected Poems and Three Plays of William Butler Yeats. Third edition. Collier Books.