Cita APA (7th ed.)
Schaff, P., & Schaff, D. S. (1910). History of the christian church: The middle ages from Boniface VIII, 1294, to the protestant reformation, 1517. WM. B. Eerdmans.
Cita Chicago (17th ed.)
Schaff, Philip, i David S. Schaff. History of the Christian Church: The Middle Ages from Boniface VIII, 1294, to the Protestant Reformation, 1517. Grand Rapids: WM. B. Eerdmans, 1910.
Cita MLA (9th ed.)
Schaff, Philip, i David S. Schaff. History of the Christian Church: The Middle Ages from Boniface VIII, 1294, to the Protestant Reformation, 1517. WM. B. Eerdmans, 1910.
Atenció: Aquestes cites poden no estar 100% correctes.