Gaya APA

Niebuhr, K, &, W, R, W, , (. (2009). The Catholic Epistles and apostolic tradition. . Waco: Waco Baylor University Press.

Gaya MLA

Niebuhr, Karl-Wilhelm, &, Wall,, Robert, W., , (ed.). "The Catholic Epistles and apostolic tradition. ". Waco: Waco Baylor University Press, 2009. Buku.