APA (7th ed.) Citation

Card, O. S., Johnston, A., & Marín Trechera, R. La tierra desprevenida.

Chicago Style (17th ed.) Citation

Card, Orson Scott, Aaron Johnston, and Rafael Marín Trechera. La Tierra Desprevenida. España.

MLA (9th ed.) Citation

Card, Orson Scott, et al. La Tierra Desprevenida.

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