Kessler, R. (2009). In the president's secret service: Behind the scenes with agents in the line of fire and the presidents they protect. Crown Publishers.
Chicago Style (17th ed.) CitationKessler, Ronald. In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect. New York: Crown Publishers, 2009.
MLA (9th ed.) CitationKessler, Ronald. In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect. Crown Publishers, 2009.
Warning: These citations may not always be 100% accurate.