APA (7th ed.) Citation

Roberts,John Maddox. (2006). The seven hills. Ace Books.

Chicago Style (17th ed.) Citation

Roberts,John Maddox. The Seven Hills. New York: Ace Books, 2006.

MLA (9th ed.) Citation

Roberts,John Maddox. The Seven Hills. Ace Books, 2006.

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