APA Style

Ruttle, G, B, K. (1999). The Elves and the Shoemaker Children's Book Pack of 4 (Cambridge Reading) . : Cambridge University Press.

MLA Style

Ruttle, Gill, Budgell,, Kate. "The Elves and the Shoemaker Children's Book Pack of 4 (Cambridge Reading)". : Cambridge University Press, 1999. Text.