APA (7th ed.) Citation

MATTHEWS. (2001). Being a happy teenager. Seashell Publishers.

Chicago Style (17th ed.) Citation

MATTHEWS. Being a Happy Teenager. Queensland,Aus: Seashell Publishers, 2001.

MLA (9th ed.) Citation

MATTHEWS. Being a Happy Teenager. Seashell Publishers, 2001.

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