APA (7th ed.) Citation

Pérez-Reverte, A., & Riddle, F. (2026). The final problem: A novel (First edition.). Mulholland Books/Little, Brown and Company.

Chicago Style (17th ed.) Citation

Pérez-Reverte, Arturo, and Frances Riddle. The Final Problem: A Novel. First edition. New York: Mulholland Books/Little, Brown and Company, 2026.

MLA (8th ed.) Citation

Pérez-Reverte, Arturo, and Frances Riddle. The Final Problem: A Novel. First edition. Mulholland Books/Little, Brown and Company, 2026.

Warning: These citations may not always be 100% accurate.