Norton, A. (1976). Perilous dreams. Daw Books.
Cita Chicago (17th ed.)Norton, Andre. Perilous Dreams. New York: Daw Books, 1976.
Cita MLA (8th ed.)Norton, Andre. Perilous Dreams. Daw Books, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.