APA (7th ed.) Citation

Wilder, B., Seitz, J. F., Stroheim, E. v., Holden, W., & Swanson, G. (2009). Sunset Boulevard. Paramount Pictures.

Chicago Style (17th ed.) Citation

Wilder, Billy, John F. Seitz, Erich von Stroheim, William Holden, and Gloria Swanson. Sunset Boulevard. London: Paramount Pictures, 2009.

MLA (9th ed.) Citation

Wilder, Billy, et al. Sunset Boulevard. Paramount Pictures, 2009.