Cita APA (7a ed.)

Elliot, L., & John, R. (1979). I will be called John: : the story of Pope John XXIII (Second impression.). Collins.

Cita Chicago Style (17a ed.)

Elliot, Lawrence, y Roland John. I Will Be Called John: : The Story of Pope John XXIII. Second impression. London and Glasgow: Collins, 1979.

Cita MLA (9a ed.)

Elliot, Lawrence, y Roland John. I Will Be Called John: : The Story of Pope John XXIII. Second impression. Collins, 1979.