APA (7th ed.) Citation

Tolkien, J. (1981). The return of the king. Ballantine Books.

Chicago Style (17th ed.) Citation

Tolkien, J.R.R. The Return of the King. New York: Ballantine Books, 1981.

MLA (9th ed.) Citation

Tolkien, J.R.R. The Return of the King. Ballantine Books, 1981.

Warning: These citations may not always be 100% accurate.