APA (7th ed.) Citation

Dickins, R., Unzner-Fischer, C., & Shakespeare, W. (2009). Twelfth night. Usborne.

Chicago Style (17th ed.) Citation

Dickins, Rosie, Christa Unzner-Fischer, and William Shakespeare. Twelfth Night. London: Usborne, 2009.

MLA (9th ed.) Citation

Dickins, Rosie, et al. Twelfth Night. Usborne, 2009.