Dyfyniad APA
O'Connell, R. J. (1997). William James on the Courage to Believe (2nd ed.). Fordham University Press.
Dyfyniad Arddull Chicago
O'Connell, Robert J. William James on the Courage to Believe. 2nd ed. New York: Fordham University Press, 1997.
Dyfyniad MLA
O'Connell, Robert J. William James on the Courage to Believe. 2nd ed. Fordham University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.