Cita APA (7a ed.)
Bull, G. Vatican Politics: At the Second Vatican Council, 1962-5. Oxford University : Royal Institute of International Affairs.
Cita estilo Chicago (17a ed.)
Bull, George. Vatican Politics: At the Second Vatican Council, 1962-5. Londres, Inglaterra: Oxford University : Royal Institute of International Affairs.
Cita MLA (9a ed.)
Bull, George. Vatican Politics: At the Second Vatican Council, 1962-5. Oxford University : Royal Institute of International Affairs.
Precaución: Estas citas no son 100% exactas.