Cita APA (7a ed.)

Kent, P. C., & Pollard, J. F. (1994). Papal diplomacy in the modern age. Praeger.

Cita Chicago Style (17a ed.)

Kent, Peter C., y John F. Pollard. Papal Diplomacy in the Modern Age. Westport, Conn.: Praeger, 1994.

Cita MLA (9a ed.)

Kent, Peter C., y John F. Pollard. Papal Diplomacy in the Modern Age. Praeger, 1994.