Cita APA (7a ed.)

Howard, T. A. (2019). The Pope and the professor: Pius IX, Ignaz von Döllinger, and the quandary of the modern age. Oxford University Press.

Cita Chicago Style (17a ed.)

Howard, Thomas Albert. The Pope and the Professor: Pius IX, Ignaz Von Döllinger, and the Quandary of the Modern Age. Oxford: Oxford University Press, 2019.

Cita MLA (9a ed.)

Howard, Thomas Albert. The Pope and the Professor: Pius IX, Ignaz Von Döllinger, and the Quandary of the Modern Age. Oxford University Press, 2019.