Cita APA (7a ed.)

Jotischky, A., & Fonnesberg-Schmidt, I. (2018). Pope Eugenius III (1145-1153): The First Cistercian Pope. Amsterdam University Press.

Cita Chicago Style (17a ed.)

Jotischky, Andrew, y Iben Fonnesberg-Schmidt. Pope Eugenius III (1145-1153): The First Cistercian Pope. Amsterdam: Amsterdam University Press, 2018.

Cita MLA (8a ed.)

Jotischky, Andrew, y Iben Fonnesberg-Schmidt. Pope Eugenius III (1145-1153): The First Cistercian Pope. Amsterdam University Press, 2018.