Cita APA (7th ed.)
Harper, M. M. (2006). Wisdom of two: The spiritual and literary collaboration of George and W.B. Yeats. Oxford University Press.
Cita Chicago (17th ed.)
Harper, Margaret Mills. Wisdom of Two: The Spiritual and Literary Collaboration of George and W.B. Yeats. Oxford ; New York: Oxford University Press, 2006.
Cita MLA (9th ed.)
Harper, Margaret Mills. Wisdom of Two: The Spiritual and Literary Collaboration of George and W.B. Yeats. Oxford University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.