APA (7th ed.) Citation

Speak-Up & Curtis, R. (2009). Radio encubierta. RBA Edipresse.

Chicago Style (17th ed.) Citation

Speak-Up and Richard Curtis. Radio Encubierta. Barcelona: RBA Edipresse, 2009.

MLA (9th ed.) Citation

Speak-Up and Richard Curtis. Radio Encubierta. RBA Edipresse, 2009.

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