APA (7th ed.) Citation

Pieper, J. (2007). Las virtudes fundamentales (9a ed.). Rialp.

Chicago Style (17th ed.) Citation

Pieper, Josef. Las Virtudes Fundamentales. 9a ed. Madrid: Rialp, 2007.

MLA (9th ed.) Citation

Pieper, Josef. Las Virtudes Fundamentales. 9a ed. Rialp, 2007.

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