APA (7th ed.) Citation

Davis, J. H. (1993). The Kennedy contract: The mafia plot to assassinate the president. HarperPaperbacks.

Chicago Style (17th ed.) Citation

Davis, John H. The Kennedy Contract: The Mafia Plot to Assassinate the President. New York: HarperPaperbacks, 1993.

MLA (8th ed.) Citation

Davis, John H. The Kennedy Contract: The Mafia Plot to Assassinate the President. HarperPaperbacks, 1993.

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