APA

Davis R., . (2006). A history of medieval europe from constantine to saint louis. : Person longman.

Chicago

Davis R.H.C, . 2006. A history of medieval europe from constantine to saint louis. : Person longman.

Harvard

Davis R., . (2006). A history of medieval europe from constantine to saint louis. : Person longman.

MLA

Davis R.H.C, . A history of medieval europe from constantine to saint louis. : Person longman. 2006.