Cita APA (7a ed.)

Benet XVI, p. (1991). Conscience and truth. Pope John Center.

Cita Chicago Style (17a ed.)

Benet XVI, papa. Conscience and Truth. Braintree (Massachussetts): Pope John Center, 1991.

Cita MLA (9a ed.)

Benet XVI, papa. Conscience and Truth. Pope John Center, 1991.