APA (7th ed.) Citation

Hamilton, B. (1999). The Cathars and Christian perfection. The medieval church, 5-23.

Chicago Style (17th ed.) Citation

Hamilton, Bernard. "The Cathars and Christian Perfection." The Medieval Church 1999: 5-23.

MLA (8th ed.) Citation

Hamilton, Bernard. "The Cathars and Christian Perfection." The Medieval Church, 1999, pp. 5-23.

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