APA (7th ed.) Citation

Marx Brothers, Metro-Goldwyn-Mayer, MGM/UA Home Video (Firm), Jones, A., O'Sullivan, M., & Dumont, M. (1992). A day at the races. MGM/UA Home Video.

Chicago Style (17th ed.) Citation

Marx Brothers, Metro-Goldwyn-Mayer, MGM/UA Home Video (Firm), Allan Jones, Maureen O'Sullivan, and Margaret Dumont. A Day at the Races. Culver City, Calif.: MGM/UA Home Video, 1992.

MLA (9th ed.) Citation

Marx Brothers, et al. A Day at the Races. MGM/UA Home Video, 1992.