Cita APA (7a ed.)

Hebblethwaite, P. (1987). Pope John XXIII: : shepherd of the modern worl ; [the definitive biography of Angelo Roncalli]. Image Books.

Cita Chicago Style (17a ed.)

Hebblethwaite, Peter. Pope John XXIII: : Shepherd of the Modern Worl ; [the Definitive Biography of Angelo Roncalli]. New York: Image Books, 1987.

Cita MLA (9a ed.)

Hebblethwaite, Peter. Pope John XXIII: : Shepherd of the Modern Worl ; [the Definitive Biography of Angelo Roncalli]. Image Books, 1987.