Cita APA

Koontz, D. R. (1979). The key to midnight. New York, NY: Berkley Books.

Citación estilo Chicago

Koontz, Dean R. The Key to Midnight. New York, NY: Berkley Books, 1979.

Cita MLA

Koontz, Dean R. The Key to Midnight. New York, NY: Berkley Books, 1979.