APA Style
Ahern, Cecelia, 1981-. (2007).
PS, I love you / Cecelia Ahern .
London:
HarperCollins Publishers.
Chicago Style
Ahern, Cecelia, 1981-.
PS, I love you / Cecelia Ahern.
London:
HarperCollins Publishers,
2007.
Text.
MLA Style
Ahern, Cecelia, 1981-.
PS, I love you / Cecelia Ahern.
London:
HarperCollins Publishers,
2007.
Text.
Turabian Style
Ahern, Cecelia, 1981-.
PS, I love you / Cecelia Ahern.
London:
HarperCollins Publishers,
2007.
Print.