Cita APA (7a ed.)

Hebblethwaite, P. (1984). John XXIII: Pope of the Council. Chapman.

Cita Chicago Style (17a ed.)

Hebblethwaite, Peter. John XXIII: Pope of the Council. London: Chapman, 1984.

Cita MLA (9a ed.)

Hebblethwaite, Peter. John XXIII: Pope of the Council. Chapman, 1984.