Citazione Stile APA (7a Edizione)

Nichols, A. (2007). The thought of Pope Benedict XVI: An introduction to the theology of Joseph Ratzinger (New ed.). Burns & Oates.

Citazione stile Chigago Style (17a edizione)

Nichols, Aidan. The Thought of Pope Benedict XVI: An Introduction to the Theology of Joseph Ratzinger. New ed. London ; New York: Burns & Oates, 2007.

Citatione MLA (9a ed.)

Nichols, Aidan. The Thought of Pope Benedict XVI: An Introduction to the Theology of Joseph Ratzinger. New ed. Burns & Oates, 2007.