APA (7th ed.) Citation

Berk, S., & Berk, C. (2012). The Cupcake Club. Sourcebooks Jabberwocky.

Chicago Style (17th ed.) Citation

Berk, Sheryl, and Carrie Berk. The Cupcake Club. Naperville, Ill.: Sourcebooks Jabberwocky, 2012.

MLA (8th ed.) Citation

Berk, Sheryl, and Carrie Berk. The Cupcake Club. Sourcebooks Jabberwocky, 2012.