Cita APA (7th ed.)

Vaughan, J. S. (2012). The purpose of the papacy. Andrews UK Limited.

Cita Chicago (17th ed.)

Vaughan, John Stephen. The Purpose of the Papacy. [Luton, Bedfordshire]: Andrews UK Limited, 2012.

Cita MLA (9th ed.)

Vaughan, John Stephen. The Purpose of the Papacy. Andrews UK Limited, 2012.