Cita APA (7th ed.)
Walsh, R. J. (1953). Adventures and discoveries of Marco Polo. Random House.
Cita Chicago (17th ed.)
Walsh, Richard John. Adventures and Discoveries of Marco Polo. New York: Random House, 1953.
Cita MLA (9th ed.)
Walsh, Richard John. Adventures and Discoveries of Marco Polo. Random House, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.