The class handout on the First Amendment is from this book:
Monk, Linda. The Bill of Rights: a User's Guide. 3rd ed. Alexandria, VA: Close Up, 2000.
as the item your are citing. Depending on where you found the case, you will need to say what website / book you used, but then you will use information at the top of the court case to fill in the following areas.
Each of these areas correspond with information at the top of the Court Case.
Names of the Plaintiff and Defendant CAN be shortened (Island Trees Board of Ed., for example)