Cita APA (7a ed.)

Spottorno, C., & Gala, D. (2013). The pigs. PHREE ; Verlag.

Cita Chicago Style (17a ed.)

Spottorno, Carlos, y David Gala. The Pigs. Madrid : Barcelona: PHREE ; Verlag, 2013.

Cita MLA (9a ed.)

Spottorno, Carlos, y David Gala. The Pigs. PHREE ; Verlag, 2013.