Ullmann, W. (1976). The legal validity of the papal electoral pacts. The papacy and political ideas in the middle ages, 3-35.
Style de citation Chicago (17e éd.)Ullmann, Walter. "The Legal Validity of the Papal Electoral Pacts." The Papacy and Political Ideas in the Middle Ages 1976: 3-35.
Style de citation MLA (8e éd.)Ullmann, Walter. "The Legal Validity of the Papal Electoral Pacts." The Papacy and Political Ideas in the Middle Ages, 1976, pp. 3-35.
Attention : ces citations peuvent ne pas être correctes à 100%.