Cita APA (7a ed.)

Marshall, R., & Day-Lewis, D. (2015). Nine. DeAPlaneta : SAVOR.

Cita Chicago Style (17a ed.)

Marshall, Rob, y Daniel Day-Lewis. Nine. Barcelona: DeAPlaneta : SAVOR, 2015.

Cita MLA (9a ed.)

Marshall, Rob, y Daniel Day-Lewis. Nine. DeAPlaneta : SAVOR, 2015.