APA引文

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引文

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