APA (7th ed.) Citation

Gemmell, D., & Royo, L. (1995). Quest for lost heroes (First Ballantine books edition.). Ballantine Books.

Chicago Style (17th ed.) Citation

Gemmell, David, and Luis Royo. Quest for Lost Heroes. First Ballantine books edition. New York: Ballantine Books, 1995.

MLA (9th ed.) Citation

Gemmell, David, and Luis Royo. Quest for Lost Heroes. First Ballantine books edition. Ballantine Books, 1995.