APA (7th ed.) Citation

Chessen, B., & Berger, S. (1999). Hello! Scholastic.

Chicago Style (17th ed.) Citation

Chessen, Betsey, and Samantha Berger. Hello! New York: Scholastic, 1999.

MLA (9th ed.) Citation

Chessen, Betsey, and Samantha Berger. Hello! Scholastic, 1999.