Cita APA

Ullmann, W. (1965). History of Political Thought: The Middle Ages. Penguin.

Citación estilo Chicago

Ullmann, Walter. History of Political Thought: The Middle Ages. England: Penguin, 1965.

Cita MLA

Ullmann, Walter. History of Political Thought: The Middle Ages. Penguin, 1965.

Warning: These citations may not always be 100% accurate.