Cita APA (7a ed.)

Ayer, D., Pitt, B., LaBeouf, S., Lerman, L., & Price, S. (2015). Corazones de acero. Speak Up.

Cita Chicago Style (17a ed.)

Ayer, David, Brad Pitt, Shia LaBeouf, Logan Lerman, y Steven Price. Corazones De Acero. [Barcelona]: Speak Up, 2015.

Cita MLA (9a ed.)

Ayer, David, et al. Corazones De Acero. Speak Up, 2015.