APA (7th ed.) Citation
Sagan, C. (1997). Contacto. Emecé.
Chicago Style (17th ed.) Citation
Sagan, Carl. Contacto. Barcelona: Emecé, 1997.
MLA (9th ed.) Citation
Sagan, Carl. Contacto. Emecé, 1997.
Warning: These citations may not always be 100% accurate.