APA (7th ed.) Citation

Posadas, C. (2013). El testigo invisible (2a ed.). Planeta.

Chicago Style (17th ed.) Citation

Posadas, Carmen. El Testigo Invisible. 2a ed. Barcelona: Planeta, 2013.

MLA (9th ed.) Citation

Posadas, Carmen. El Testigo Invisible. 2a ed. Planeta, 2013.

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