APA (7th ed.) Citation

Pieper, J. (1988). Las virtudes fundamentales (3a ed.). Rialp.

Chicago Style (17th ed.) Citation

Pieper, Josef. Las Virtudes Fundamentales. 3a ed. Madrid: Rialp, 1988.

MLA (9th ed.) Citation

Pieper, Josef. Las Virtudes Fundamentales. 3a ed. Rialp, 1988.

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