Citazione APA

Tyler, J. E. A. (1979). The new Tolkien companion (1st rev. printing.). Avon Books.

Stile di citazione Chicago

Tyler, J. E. A. The New Tolkien Companion. 1st rev. printing. New York, N.Y.: Avon Books, 1979.

Citazione MLA

Tyler, J. E. A. The New Tolkien Companion. 1st rev. printing. Avon Books, 1979.