APA (7th ed.) Citation

Knightley, K., Ruffalo, M., & Steinfeld, H. (2014). Begin again. [publisher not identified].

Chicago Style (17th ed.) Citation

Knightley, Keira, Mark Ruffalo, and Hailee Steinfeld. Begin Again. [United States]: [publisher not identified], 2014.

MLA (8th ed.) Citation

Knightley, Keira, et al. Begin Again. [publisher not identified], 2014.

Warning: These citations may not always be 100% accurate.