Cita APA

Wagenhofer, E. 1., & Grasser, H. (2005). We feed the world. Wein: Allegro Film.

Citación estilo Chicago

Wagenhofer, Erwin 1961-, y Helmunt Grasser. We Feed the World. Wein: Allegro Film, 2005.

Cita MLA

Wagenhofer, Erwin 1961-, y Helmunt Grasser. We Feed the World. Wein: Allegro Film, 2005.