APA (7th ed.) Citation

Villiger, M. E. (2009). Commentary on the 1969 Vienna Convention on the Law of Treaties. Martinus Nijhoff Publishers.

Chicago Style (17th ed.) Citation

Villiger, Mark Eugen. Commentary on the 1969 Vienna Convention on the Law of Treaties. Leiden: Martinus Nijhoff Publishers, 2009.

MLA (9th ed.) Citation

Villiger, Mark Eugen. Commentary on the 1969 Vienna Convention on the Law of Treaties. Martinus Nijhoff Publishers, 2009.

Warning: These citations may not always be 100% accurate.