Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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