APA (7th ed.) Citation

Instituto Social León XIII. Comentarios a la Pacem in Terris.

Chicago Style (17th ed.) Citation

Instituto Social León XIII. Comentarios a La Pacem in Terris. Madrid : Católica.

MLA (8th ed.) Citation

Instituto Social León XIII. Comentarios a La Pacem in Terris.

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