APA (7th ed.) Citation

Tolkien, J. R. R., & Inglis, R. (1990). The return of the king. Recorded Books.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Rob Inglis. The Return of the King. Prince Frederick, MD: Recorded Books, 1990.

MLA (8th ed.) Citation

Tolkien, J. R. R., and Rob Inglis. The Return of the King. Recorded Books, 1990.