APA (7th ed.) Citation

Matthew, A. (2007). Being a happy teen. Seashell Publishers.

Chicago Style (17th ed.) Citation

Matthew, Andrew. Being a Happy Teen. AUS: Seashell Publishers, 2007.

MLA (9th ed.) Citation

Matthew, Andrew. Being a Happy Teen. Seashell Publishers, 2007.

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