Citazione Stile APA (7a Edizione)
Harper, M. M. (2006). Wisdom of two: The spiritual and literary collaboration of George and W.B. Yeats. Oxford University Press.
Citazione stile Chigago Style (17a edizione)
Harper, Margaret Mills. Wisdom of Two: The Spiritual and Literary Collaboration of George and W.B. Yeats. Oxford ; New York: Oxford University Press, 2006.
Citatione MLA (9a ed.)
Harper, Margaret Mills. Wisdom of Two: The Spiritual and Literary Collaboration of George and W.B. Yeats. Oxford University Press, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.