Cita APA

Ullmann, W. 1. (1976). The papacy and political ideas in the Middle Ages. London: Variorum Reprints.

Citación estilo Chicago

Ullmann, Walter 1910-1983. The Papacy and Political Ideas in the Middle Ages. London: Variorum Reprints, 1976.

Cita MLA

Ullmann, Walter 1910-1983. The Papacy and Political Ideas in the Middle Ages. London: Variorum Reprints, 1976.

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