APA (7th ed.) Citation

Voltaire & Savater, F. (1988). Cartas filosóficas. Alianza Editorial.

Chicago Style (17th ed.) Citation

Voltaire and Fernando Savater. Cartas Filosóficas. Madrid: Alianza Editorial, 1988.

MLA (9th ed.) Citation

Voltaire and Fernando Savater. Cartas Filosóficas. Alianza Editorial, 1988.

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