APA (7th ed.) Citation

Chiron, Y., & Villar Ponz, M. (2003). Pio IX. : Palabra.

Chicago Style (17th ed.) Citation

Chiron, Yves, and Mercedes Villar Ponz. Pio IX. Madrid: : Palabra, 2003.

MLA (9th ed.) Citation

Chiron, Yves, and Mercedes Villar Ponz. Pio IX. : Palabra, 2003.

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