APA (7th ed.) Citation

Chessen, B., & Chanko, P. (1999). Thank you! Scholastic.

Chicago Style (17th ed.) Citation

Chessen, Betsey, and Pamela Chanko. Thank You! New York: Scholastic, 1999.

MLA (9th ed.) Citation

Chessen, Betsey, and Pamela Chanko. Thank You! Scholastic, 1999.