Cita APA (7th ed.)

Kertzer, D. I. (2004). Prisoner of the Vatican: The Pope's secret plot to capture Rome from the new Italian state. Houghton Mifflin.

Cita Chicago (17th ed.)

Kertzer, David I. Prisoner of the Vatican: The Pope's Secret Plot to Capture Rome from the New Italian State. New York, NY: Houghton Mifflin, 2004.

Cita MLA (9th ed.)

Kertzer, David I. Prisoner of the Vatican: The Pope's Secret Plot to Capture Rome from the New Italian State. Houghton Mifflin, 2004.