Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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