APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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