APA
O´Donohue J., . (2004). Beauty. New York: HarperCollins.
Chicago
O´Donohue John, . 2004. Beauty. New York: HarperCollins.
Harvard
O´Donohue J., . (2004). Beauty. New York: HarperCollins.
MLA
O´Donohue John, . Beauty. New York: HarperCollins. 2004.