Cita APA (7a ed.)

Speak-Up, Focus Features, Revere Pictures, & Williams, T. (2005). The door in the floor. Sav.

Cita Chicago Style (17a ed.)

Speak-Up, Focus Features, Revere Pictures, y Tod Williams. The Door in the Floor. Barcelona: Sav, 2005.

Cita MLA (9a ed.)

Speak-Up, et al. The Door in the Floor. Sav, 2005.