Cita APA (7a ed.)

Kirch, P., & Manner, J. (2009). Mittelalter (Druck A 1.). Westermann.

Cita Chicago Style (17a ed.)

Kirch, Peter, y Jörg Manner. Mittelalter. Druck A 1. Braunschweig: Westermann, 2009.

Cita MLA (9a ed.)

Kirch, Peter, y Jörg Manner. Mittelalter. Druck A 1. Westermann, 2009.