Cita APA (7th ed.)

Ludlum, R. (1994). The Scorpio illusion. Bantam Books.

Cita Chicago (17th ed.)

Ludlum, Robert. The Scorpio Illusion. New York: Bantam Books, 1994.

Cita MLA (9th ed.)

Ludlum, Robert. The Scorpio Illusion. Bantam Books, 1994.