McGraw, E. (1961). The golden goblet. Penguin books.
Cita Chicago (17th ed.)McGraw, E.J. The Golden Goblet. New York: Penguin books, 1961.
Cita MLA (9th ed.)McGraw, E.J. The Golden Goblet. Penguin books, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.