APA Format
Ahern, Cecelia. (2005).
Rosie Dunne / Cecelia Ahern
. New York :: Hyperion ,.
MLA Format
Ahern, Cecelia.
Rosie Dunne / Cecelia Ahern
. New York :: Hyperion ,, 2005
Chicago Format
Ahern, Cecelia. Rosie Dunne / Cecelia Ahern. New York :: Hyperion ,, 2005.