APA (7th ed.) Citation

Dessen, S. (2011). What Happened To Goodbye. Viking.

Chicago Style (17th ed.) Citation

Dessen, Sarah. What Happened To Goodbye. USA: Viking, 2011.

MLA (9th ed.) Citation

Dessen, Sarah. What Happened To Goodbye. Viking, 2011.

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