APA (7th ed.) Citation

Ratzinger, J. "Catecismo para la Iglesia universal".

Chicago Style (17th ed.) Citation

Ratzinger, Joseph. "Catecismo Para La Iglesia Universal".

MLA (9th ed.) Citation

Ratzinger, Joseph. "Catecismo Para La Iglesia Universal".

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