Gaya APA

Küng, H, &, M, J, , (. (1994). Islam: A challenge for Christianity. Concilium, (1994)/3 . London: London SCM Press.

Gaya MLA

Küng, Hans, &, Moltmann,, Jürgen, , (ed.). "Islam: A challenge for Christianity. Concilium, (1994)/3". London: London SCM Press, 1994. Buku.