APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Kertzer, David I. Prisoner of the Vatican: The Popes' Secret Plot to Capture Rome from the New Italian State. Boston [u.a.]: Houghton Mifflin, 2004.

MLA (9th ed.) Citation

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