APA (7th ed.) Citation

Voltaire, Pujol, C., & Espluga, F. Obras.

Chicago Style (17th ed.) Citation

Voltaire, Carlos Pujol, and Francesc Espluga. Obras. Barcelona.

MLA (9th ed.) Citation

Voltaire, et al. Obras.

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