APA (7th ed.) Citation

Harrison, L. (2009). P.S. I loathe you: A Clique novel. Poppy/Little, Brown and Co..

Chicago Style (17th ed.) Citation

Harrison, Lisi. P.S. I Loathe You: A Clique Novel. New York: Poppy/Little, Brown and Co., 2009.

MLA (8th ed.) Citation

Harrison, Lisi. P.S. I Loathe You: A Clique Novel. Poppy/Little, Brown and Co., 2009.

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