APA (7th ed.) Citation

Tolkien J. R. R. & Penzler Otto. (1994). The lord of the rings. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Tolkien J. R. R. and Penzler Otto. The Lord of the Rings. New York: Houghton Mifflin, 1994.

MLA (9th ed.) Citation

Tolkien J. R. R. and Penzler Otto. The Lord of the Rings. Houghton Mifflin, 1994.

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