APA (7th ed.) Citation

Columbia Pictures, Albert, T., & Ramis, H. (1993). Groundhog day. Columbia Pictures.

Chicago Style (17th ed.) Citation

Columbia Pictures, Trevor Albert, and Harold Ramis. Groundhog Day. [California: Columbia Pictures, 1993.

MLA (9th ed.) Citation

Columbia Pictures, et al. Groundhog Day. Columbia Pictures, 1993.