Cita APA (7th ed.)

Jordan, R. (1993). The fires of heaven. Orbit.

Cita Chicago (17th ed.)

Jordan, Robert. The Fires of Heaven. London: Orbit, 1993.

Cita MLA (9th ed.)

Jordan, Robert. The Fires of Heaven. Orbit, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.