APA (7th ed.) Citation

Tolkien, J. (2001). The return of the king. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Tolkien, J.R.R. The Return of the King. London: HarperCollins Publishers, 2001.

MLA (9th ed.) Citation

Tolkien, J.R.R. The Return of the King. HarperCollins Publishers, 2001.

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