Knightley, K., Ruffalo, M., & Steinfeld, H. (2014). Begin again. [publisher not identified].
Cita Chicago Style (17a ed.)Knightley, Keira, Mark Ruffalo, y Hailee Steinfeld. Begin Again. [United States]: [publisher not identified], 2014.
Cita MLA (8a ed.)Knightley, Keira, et al. Begin Again. [publisher not identified], 2014.
Precaución: Estas citas no son 100% exactas.