APA (7th ed.) Citation

Swank Motion Pictures, Inc, Donati, S., Leone, S., Argento, D., Bertolucci, B., Cardinale, C., . . . Morricone, E. (1968). Once upon a time in the West. Paramount.

Chicago Style (17th ed.) Citation

Swank Motion Pictures, Inc, et al. Once upon a Time in the West. [Hollywood, California]: Paramount, 1968.

MLA (9th ed.) Citation

Swank Motion Pictures, Inc, et al. Once upon a Time in the West. Paramount, 1968.