APA (7th ed.) Citation

O'Malley, K., Heyer, C., & Goto, S. (2010). Once upon a royal superbaby. Walker & Co..

Chicago Style (17th ed.) Citation

O'Malley, Kevin, Carol Heyer, and Scott Goto. Once upon a Royal Superbaby. New York: Walker & Co., 2010.

MLA (8th ed.) Citation

O'Malley, Kevin, et al. Once upon a Royal Superbaby. Walker & Co., 2010.

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