Tolkien, J. R. R., & Tolkien, C. (1993). The treason of Isengard: The history of the Lord of the Rings, part two. HarperCollins.
Chicago Style (17th ed.) CitationTolkien, J. R. R., and Christopher Tolkien. The Treason of Isengard: The History of the Lord of the Rings, Part Two. London: HarperCollins, 1993.
MLA (8th ed.) CitationTolkien, J. R. R., and Christopher Tolkien. The Treason of Isengard: The History of the Lord of the Rings, Part Two. HarperCollins, 1993.
Warning: These citations may not always be 100% accurate.