Citazione Stile APA (7a Edizione)

Speight, S., & Witsch, K. (2007). The mass media - from Gutenberg to Gates (1. Druck.). Schöningh.

Citazione stile Chigago Style (17a edizione)

Speight, Stephen, e Karsten Witsch. The Mass Media - from Gutenberg to Gates. 1. Druck. Paderborn: Schöningh, 2007.

Citatione MLA (9a ed.)

Speight, Stephen, e Karsten Witsch. The Mass Media - from Gutenberg to Gates. 1. Druck. Schöningh, 2007.