Tolkien, J. R. R., & Tolkien, C. (1989). The treason of Isengard: The history of the Lord of the rings, part two. Unwin Hyman.
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: Unwin Hyman, 1989.
MLA (8th ed.) CitationTolkien, J. R. R., and Christopher Tolkien. The Treason of Isengard: The History of the Lord of the Rings, Part Two. Unwin Hyman, 1989.
Warning: These citations may not always be 100% accurate.