Style de citation APA (7e éd.)

Blumenthal, U. (1988). The Investiture Controversy: Church and Monarchy from the Ninth to the Twelfth Century. University of Pennsylvania Press.

Style de citation Chicago (17e éd.)

Blumenthal, Uta-Renate. The Investiture Controversy: Church and Monarchy from the Ninth to the Twelfth Century. Philadelphia [Pa.]: University of Pennsylvania Press, 1988.

Style de citation MLA (8e éd.)

Blumenthal, Uta-Renate. The Investiture Controversy: Church and Monarchy from the Ninth to the Twelfth Century. University of Pennsylvania Press, 1988.