It's never too late nor too early to start using citation managment software! It's free to you and will help you stay organized, making writing much easier. These software packages will also format your paper in any of hundreds of formatting styles, including APA 6th.
Use ONE of these to store citations in which you have an interest. Clip PDFs of articles to the record in your own database and annotate the records as well. Preparing for your comps will that much easier when you have everything in one place--citation, full text & notes! Visit our page on these softwares.