APA-referens (7:e uppl.)

Southern R.W. (1978). Western Views of Islam in the Middle ages (ed.). Harvard University Press.

Chicago-referens (17:e uppl.)

Southern R.W. Western Views of Islam in the Middle Ages. ed. Massachusetts: Harvard University Press, 1978.

MLA-referens (9:e uppl.)

Southern R.W. Western Views of Islam in the Middle Ages. ed. Harvard University Press, 1978.