APA (7th ed.) Citation

Martin, S. (2005). The Cathars. Pocket Essentials.

Chicago Style (17th ed.) Citation

Martin, Sean. The Cathars. Harpenden: Pocket Essentials, 2005.

MLA (9th ed.) Citation

Martin, Sean. The Cathars. Pocket Essentials, 2005.

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