Cita APA (7a ed.)

Kritzeck, J. (1964). Peter the Venerable and Islam. Princeton University Press.

Cita Chicago Style (17a ed.)

Kritzeck, James. Peter the Venerable and Islam. Princenton, New Jersey: Princeton University Press, 1964.

Cita MLA (9a ed.)

Kritzeck, James. Peter the Venerable and Islam. Princeton University Press, 1964.