Gaya APA

II, J, P. (1994). Crossing the threshold of hope. Introd. & ed. by Vittorio Messori. . New York: New York Alfred A Knopf.

Gaya MLA

II, Joannes, Paulus. "Crossing the threshold of hope. Introd. & ed. by Vittorio Messori. ". New York: New York Alfred A Knopf, 1994. Buku.