APA (7th ed.) Citation

Tolkien, J. R. R. (1993). The Lord of the Rings (1a. ed.). Harper Collins.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R. The Lord of the Rings. 1a. ed. Londres: Harper Collins, 1993.

MLA (9th ed.) Citation

Tolkien, J. R. R. The Lord of the Rings. 1a. ed. Harper Collins, 1993.