APA Citation

Pieper, J. 1. (1980). Las virtudes fundamentales (2. ed.). Madrid: Rialp.

Chicago Style Citation

Pieper, Josef 1904-1997. Las Virtudes Fundamentales. 2. ed. Madrid: Rialp, 1980.

MLA Citation

Pieper, Josef 1904-1997. Las Virtudes Fundamentales. 2. ed. Madrid: Rialp, 1980.

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