A history of political thought : the Middle Ages

MLA

Ullmann, Walter. A history of political thought : the Middle Ages. [First edition reprinted with revisions]. Harmondsworth : Penguin, 1970.

APA

Ullmann, W. (1970). A history of political thought : the Middle Ages. [First edition reprinted with revisions]. Harmondsworth : Penguin.

Chicago

Ullmann, Walter. A history of political thought : the Middle Ages. [First edition reprinted with revisions]. Harmondsworth : Penguin, 1970.