APA (7th ed.) Citation
Pieper, J. (1961). Sobre la esperanza (3 ed.). Ediciones Rialp.
Chicago Style (17th ed.) Citation
Pieper, Josef. Sobre La Esperanza. 3 ed. Madrid: Ediciones Rialp, 1961.
MLA (9th ed.) Citation
Pieper, Josef. Sobre La Esperanza. 3 ed. Ediciones Rialp, 1961.
Warning: These citations may not always be 100% accurate.