Gruber, J. M., Bress, E., Kutcher, A., Walters, M., & Smart, A. (2004). The butterfly effect (Directors cut, theatrical edition.). New Line Home Entertainment.
Cita Chicago Style (17a ed.)Gruber, J. Mackye, Eric Bress, Ashton Kutcher, Melora Walters, y Amy Smart. The Butterfly Effect. Directors cut, theatrical edition. [United States]: New Line Home Entertainment, 2004.
Cita MLA (8a ed.)Gruber, J. Mackye, et al. The Butterfly Effect. Directors cut, theatrical edition. New Line Home Entertainment, 2004.
Precaución: Estas citas no son 100% exactas.