The medieval world : Europe 1100-1350

MLA

Heer, Friedrich, and Janet Sondheimer. The Medieval World : Europe 1100-1350. London: Phoenix, 1998.

APA

Heer, F., & Sondheimer, J. (1998). The medieval world : Europe 1100-1350. London: Phoenix.

Chicago

Heer, Friedrich, and Janet Sondheimer. The Medieval World: Europe 1100-1350. London: Phoenix, 1998.