Man. (2006). Attila: The Barbarian king who challenged Rome. T. Dunne Books/St. Martin's Press.
Chicago Style (17th ed.) CitationMan. Attila: The Barbarian King Who Challenged Rome. New York: T. Dunne Books/St. Martin's Press, 2006.
MLA (8th ed.) CitationMan. Attila: The Barbarian King Who Challenged Rome. T. Dunne Books/St. Martin's Press, 2006.
Warning: These citations may not always be 100% accurate.