APA (7th ed.) Citation

Maas, W. (2013). Democratic citizenship and the free movement of people. Martinus Nijhoff Publishers.

Chicago Style (17th ed.) Citation

Maas, Willem. Democratic Citizenship and the Free Movement of People. Leiden [Netherlands]: Martinus Nijhoff Publishers, 2013.

MLA (9th ed.) Citation

Maas, Willem. Democratic Citizenship and the Free Movement of People. Martinus Nijhoff Publishers, 2013.