APA (7th ed.) Citation

Allen, J. L. (2005). Joseph Ratzinger (2. Aufl.). Patmos.

Chicago Style (17th ed.) Citation

Allen, John L. Joseph Ratzinger. 2. Aufl. Düsseldorf: Patmos, 2005.

MLA (9th ed.) Citation

Allen, John L. Joseph Ratzinger. 2. Aufl. Patmos, 2005.

Warning: These citations may not always be 100% accurate.