APA (7th ed.) Zitazioa

Houghton, J. W. (2014). Tolkien in the new century: Essays in honor of Tom Shippey. McFarland & Company, Inc., Publishers.

Chicago Style (17th ed.) Zitazioa

Houghton, John William. Tolkien in the New Century: Essays in Honor of Tom Shippey. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2014.

MLA (9th ed.) Zitazioa

Houghton, John William. Tolkien in the New Century: Essays in Honor of Tom Shippey. McFarland & Company, Inc., Publishers, 2014.