APA (7th ed.) Citation

Tolkien, J. R. R., Jacobi, D., Moffatt, J., Rodska, C., Rinne, P., & Cadbury, D. (1997). Letters from Father Christmas. HarperCollins Audio Books.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., Derek Jacobi, John Moffatt, Christian Rodska, Peter Rinne, and Dick Cadbury. Letters from Father Christmas. [London]: HarperCollins Audio Books, 1997.

MLA (8th ed.) Citation

Tolkien, J. R. R., et al. Letters from Father Christmas. HarperCollins Audio Books, 1997.