Cita APA (7th ed.)
Kritzeck, J. (1964). Peter the Venerable and Islam. Princeton University Press.
Cita Chicago (17th ed.)
Kritzeck, James. Peter the Venerable and Islam. Princeton, New Jersey: Princeton University Press, 1964.
Cita MLA (9th ed.)
Kritzeck, James. Peter the Venerable and Islam. Princeton University Press, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.