APA (7th ed.) Citation

Koontz, D. R. (2008). The darkest evening of the year. Bantam Books.

Chicago Style (17th ed.) Citation

Koontz, Dean R. The Darkest Evening of the Year. New York: Bantam Books, 2008.

MLA (9th ed.) Citation

Koontz, Dean R. The Darkest Evening of the Year. Bantam Books, 2008.