APA (7th ed.) Citation

Langford, J., & Roberts, D. (2003). The sword in the stone. Rigby.

Chicago Style (17th ed.) Citation

Langford, Jane, and David Roberts. The Sword in the Stone. Oxford: Rigby, 2003.

MLA (9th ed.) Citation

Langford, Jane, and David Roberts. The Sword in the Stone. Rigby, 2003.