Cita APA (7th ed.)
Ludlum, R. (2003). The tristan betrayal. St. Martin's paperbacks.
Cita Chicago (17th ed.)
Ludlum, Robert. The Tristan Betrayal. New York: St. Martin's paperbacks, 2003.
Cita MLA (9th ed.)
Ludlum, Robert. The Tristan Betrayal. St. Martin's paperbacks, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.