APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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