APA (7th ed.) Citation

Carlson, J. (2007). Plague year (Ace mass-market ed.). Ace Books.

Chicago Style (17th ed.) Citation

Carlson, Jeff. Plague Year. Ace mass-market ed. New York: Ace Books, 2007.

MLA (9th ed.) Citation

Carlson, Jeff. Plague Year. Ace mass-market ed. Ace Books, 2007.