Citazione Stile APA (7a Edizione)
Blumenthal, U. (1988). The investiture controversy: Church and monarchy from the ninth to the twelfth century. University of Pennsylvania Press.
Citazione stile Chigago Style (17a edizione)
Blumenthal, Uta-Renate. The Investiture Controversy: Church and Monarchy from the Ninth to the Twelfth Century. Philadelphia [Pa.]: University of Pennsylvania Press, 1988.
Citatione MLA (9a ed.)
Blumenthal, Uta-Renate. The Investiture Controversy: Church and Monarchy from the Ninth to the Twelfth Century. University of Pennsylvania Press, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.