There are 100 legal styles for Zotero, including the Bluebook Law Review, Oscola, the European Journal of International Law, and the Journal of International Economic Law. There is also a French Canadian style, a Belgian style, and a Bordeaux university style if you are looking for a French-speaking style.
A Zotero style for the International Law Department Style can be found here.
Citations, Out of the Box by Juris-M is an unofficial variant of Zotero, modified and enhanced to support legal and multilingual referencing, with special features to facilitate referencing to primary legal materials such as cases, following the conventions of each jurisdiction.
