APA (7th ed.) Citation

Gaumont British Picture Corp, Hitchcock, A., Donat, R., & Carroll, M. (2000). The 39 steps =: 39 escalones. Filmax home video.

Chicago Style (17th ed.) Citation

Gaumont British Picture Corp, Alfred Hitchcock, Robert Donat, and Madeleine Carroll. The 39 Steps =: 39 Escalones. Barcelona: Filmax home video, 2000.

MLA (9th ed.) Citation

Gaumont British Picture Corp, et al. The 39 Steps =: 39 Escalones. Filmax home video, 2000.