APA (7th ed.) Citation

Pieper, J. (1980). Las virtudes fundamentales (2a ed.). Rialp.

Chicago Style (17th ed.) Citation

Pieper, Josef. Las Virtudes Fundamentales. 2a ed. Madrid: Rialp, 1980.

MLA (9th ed.) Citation

Pieper, Josef. Las Virtudes Fundamentales. 2a ed. Rialp, 1980.

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