APA (7th ed.) Citation

Tolkien, J. R. R., & Gaughan, J. (1965). The Lord of the rings (Popular paperback edition.). Ace Books.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Jack Gaughan. The Lord of the Rings. Popular paperback edition. New York: Ace Books, 1965.

MLA (9th ed.) Citation

Tolkien, J. R. R., and Jack Gaughan. The Lord of the Rings. Popular paperback edition. Ace Books, 1965.