APA (7th ed.) Citation

Ahern,Cecelia. (2004). PS,I love you. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Ahern,Cecelia. PS,I Love You. London: HarperCollins Publishers, 2004.

MLA (9th ed.) Citation

Ahern,Cecelia. PS,I Love You. HarperCollins Publishers, 2004.

Warning: These citations may not always be 100% accurate.