APA (7th ed.) Citation

Heinrich, J., Kopper, G. G., & Doyle, G. (2006). Media economics in Europe. Vistas.

Chicago Style (17th ed.) Citation

Heinrich, Jürgen, Gerd G. Kopper, and Gillian Doyle. Media Economics in Europe. Berlin: Vistas, 2006.

MLA (9th ed.) Citation

Heinrich, Jürgen, et al. Media Economics in Europe. Vistas, 2006.