APA (7th ed.) Citation

Keukeleire, S., Smith, M. 1. A. 1., & Vanhoonacker, S. (2016). The diplomatic system of the European Union: Evolution, change and challenges. Routledge.

Chicago Style (17th ed.) Citation

Keukeleire, Stephan, Michael 1947 April 10- Smith, and Sophie Vanhoonacker. The Diplomatic System of the European Union: Evolution, Change and Challenges. Abingdon, Oxon: Routledge, 2016.

MLA (9th ed.) Citation

Keukeleire, Stephan, et al. The Diplomatic System of the European Union: Evolution, Change and Challenges. Routledge, 2016.