The most comprehensive collection of legal materials in Boise is at the Idaho State Law Library. The Law Library operates under the joint management of the Idaho Supreme Court and the University of Idaho College of Law. As a result of this collaboration, library patrons have access to a greatly enhanced collection of print and electronic research tools.
501 W. Front Street, Boise ID 83702-7232
Phone: (208) 364-4555
Hours: Monday – Friday: 8am to 5pm
Most legal materials are cited using Bluebook style, which is the standard legal citation style in all disciplines according to the Purdue Online Writing Lab. Here's their excellent resource page on citing legal materials.