APA (7th ed.) Citation

LUDLUM. (2005). The Ambler warning. St. Martin's Press.

Chicago Style (17th ed.) Citation

LUDLUM. The Ambler Warning. New York: St. Martin's Press, 2005.

MLA (9th ed.) Citation

LUDLUM. The Ambler Warning. St. Martin's Press, 2005.

Warning: These citations may not always be 100% accurate.