Here are a few links to help you out with your APA citations.
The reference citation should look like the following: Name v. Name, Case Number (Court Abbreviation Year).
So this citation would be: Illinois v. Lidster, 540 U.S. 419 (U.S. 2004). In text, you would use (Lidster, 2004).
Here's where you find those pieces on your LEXIS document.:
For your court abbreviation, does your court name have a state in it? Click here to find the abbreviation. If it doesn't, click here to find it.
Did you find your case somewhere other than Lexis?? Contact Becky for help finding the pieces you can't locate.