APA (7th ed.) Citation

Champion, T., Monnesland, J., & Vandermotten, C. The new regional map of Europe. Pergamon.

Chicago Style (17th ed.) Citation

Champion, Tony, Jan Monnesland, and Christian Vandermotten. The New Regional Map of Europe. Oxford: Pergamon.

MLA (9th ed.) Citation

Champion, Tony, et al. The New Regional Map of Europe. Pergamon.