If you haven't already learned about the correct way to cite legal authorities such as cases, statutes, regulations and any other laws, then you need to pick up a copy of one of the best resources available: the Legal Bluebook.
Citation has never been easier with this handy little book. Not to mention, you will need it if you are going to complete the tasks in the Practice Cases. You must be able to correctly point to the legal authorities you are relying in your work products.
Get your copy at https://www.legalbluebook.com/. They now offer the hard copy booklet, online source, iPad, and mobile device versions. Well worth the price!