APA (7th ed.) Citation

Joan Pau II, p. (1991). Encíclica Centesimus Annus. Palabra.

Chicago Style (17th ed.) Citation

Joan Pau II, papa. Encíclica Centesimus Annus. Madrid: Palabra, 1991.

MLA (9th ed.) Citation

Joan Pau II, papa. Encíclica Centesimus Annus. Palabra, 1991.

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