APA (7th ed.) Citation

Pyper, A. (2008). The killing circle (1st U.S. ed.). St. Martin's Minotaur.

Chicago Style (17th ed.) Citation

Pyper, Andrew. The Killing Circle. 1st U.S. ed. New York: St. Martin's Minotaur, 2008.

MLA (8th ed.) Citation

Pyper, Andrew. The Killing Circle. 1st U.S. ed. St. Martin's Minotaur, 2008.

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