APA (7th ed.) Citation

Biller, P. (2001). Through a Glass Darkly: Seeing medieval heresy.

Chicago Style (17th ed.) Citation

Biller, Peter. Through a Glass Darkly: Seeing Medieval Heresy. 2001.

MLA (9th ed.) Citation

Biller, Peter. Through a Glass Darkly: Seeing Medieval Heresy. 2001.

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