APA (7th ed.) Citation

Berkhout, C. T., & Russell, J. B. (1981). Medieval heresies: A bibliography ; 1960 - 1979. Pontifical Inst. of Mediaeval Studies.

Chicago Style (17th ed.) Citation

Berkhout, Carl T., and Jeffrey Burton Russell. Medieval Heresies: A Bibliography ; 1960 - 1979. Toronto: Pontifical Inst. of Mediaeval Studies, 1981.

MLA (9th ed.) Citation

Berkhout, Carl T., and Jeffrey Burton Russell. Medieval Heresies: A Bibliography ; 1960 - 1979. Pontifical Inst. of Mediaeval Studies, 1981.