Heard, A. (1999). Apocalypse pretty soon: Travels in end-time America. W.W. Norton.
Cita Chicago (17th ed.)Heard, Alex. Apocalypse Pretty Soon: Travels in End-time America. New York: W.W. Norton, 1999.
Cita MLA (8th ed.)Heard, Alex. Apocalypse Pretty Soon: Travels in End-time America. W.W. Norton, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.