Cita APA (7th ed.)

Gemmell, D. (1989). The last guardian: The stones of power. Del Rey Books.

Cita Chicago (17th ed.)

Gemmell, David. The Last Guardian: The Stones of Power. New York: Del Rey Books, 1989.

Cita MLA (8th ed.)

Gemmell, David. The Last Guardian: The Stones of Power. Del Rey Books, 1989.