Start with the study materials available from PRSA headquarters and then focus on those specific areas that need the most attention. Give yourself plenty of time before the exam to review and synthesize material. Take advantage of your colleagues . Other APR candidates are good sources of information. Talk to them.
Many chapters offer seminars and workshops to help candidates prepare for the exam.
Talk to recent APRs. Find out what helped them the most. Work through sample questions. You'll find a sample examination in your study materials. If you take this exam as part of a group, you'll usually discover several key points that you would have overlooked.