APA Citation

Blanco, S. 1., Guerrero, J. A. 1., & Calderón, J. C. 1. Yesterday (it was a happy day). España: Zafiro.

Chicago Style Citation

Blanco, Sergio 1848-2015, José Ángel 1943- Guerrero, and Juan Carlos 1938-2012 Calderón. Yesterday (it Was a Happy Day). España: Zafiro.

MLA Citation

Blanco, Sergio 1848-2015, José Ángel 1943- Guerrero, and Juan Carlos 1938-2012 Calderón. Yesterday (it Was a Happy Day). España: Zafiro.

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