APA (7th ed.) Citation

Barber, M. (2000). The Cathars: Dualist heretics in Languedoc in the High Middle Ages (1. publ.). Longman.

Chicago Style (17th ed.) Citation

Barber, Malcolm. The Cathars: Dualist Heretics in Languedoc in the High Middle Ages. 1. publ. Harlow, England Munich [u.a.]: Longman, 2000.

MLA (8th ed.) Citation

Barber, Malcolm. The Cathars: Dualist Heretics in Languedoc in the High Middle Ages. 1. publ. Longman, 2000.

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