Cita APA (7a ed.)

Wenzel, D., & Carter, L. (1977). Middle earth: The world of Tolkien illustrated. Centaur Books : distributed by Como Sales.

Cita Chicago Style (17a ed.)

Wenzel, David, y Lin Carter. Middle Earth: The World of Tolkien Illustrated. New York: Centaur Books : distributed by Como Sales, 1977.

Cita MLA (8a ed.)

Wenzel, David, y Lin Carter. Middle Earth: The World of Tolkien Illustrated. Centaur Books : distributed by Como Sales, 1977.