Cita APA (7th ed.)
Morrell, D. (1991). The covenant of the flame. Warner Books.
Cita Chicago (17th ed.)
Morrell, David. The Covenant of the Flame. New York, NY: Warner Books, 1991.
Cita MLA (9th ed.)
Morrell, David. The Covenant of the Flame. Warner Books, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.