Cita APA (7th ed.)
Martin, S. (2014). The Cathars: The rise and fall of the great heresy. Pocket Essentials.
Cita Chicago (17th ed.)
Martin, Sean. The Cathars: The Rise and Fall of the Great Heresy. Herts, Alabama: Pocket Essentials, 2014.
Cita MLA (9th ed.)
Martin, Sean. The Cathars: The Rise and Fall of the Great Heresy. Pocket Essentials, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.