Cita APA (7a ed.)

Lambert, M. (1994). Medieval heresy: Popular movements from the Gregorian reform to the reformation (2nd ed.). Blackwell.

Cita Chicago Style (17a ed.)

Lambert, Malcolm. Medieval Heresy: Popular Movements from the Gregorian Reform to the Reformation. 2nd ed. Oxford [etc.]: Blackwell, 1994.

Cita MLA (9a ed.)

Lambert, Malcolm. Medieval Heresy: Popular Movements from the Gregorian Reform to the Reformation. 2nd ed. Blackwell, 1994.