Cita APA (7a ed.)

Lang, F., & Harbou, T. v. (2010). Metropolis: A film by Fritz Lang. Eureka Entertainment.

Cita Chicago Style (17a ed.)

Lang, Fritz, y Thea von Harbou. Metropolis: A Film by Fritz Lang. London: Eureka Entertainment, 2010.

Cita MLA (9a ed.)

Lang, Fritz, y Thea von Harbou. Metropolis: A Film by Fritz Lang. Eureka Entertainment, 2010.