APA (7th ed.) Citation

Moore, M. J. (2009). Heroes at risk (Ace mass-market ed.). Ace Books.

Chicago Style (17th ed.) Citation

Moore, Moira J. Heroes at Risk. Ace mass-market ed. New York: Ace Books, 2009.

MLA (9th ed.) Citation

Moore, Moira J. Heroes at Risk. Ace mass-market ed. Ace Books, 2009.