One of the major reasons why research papers are assigned by professors to students is to test what has been learnt of the course material till that point. The outcome of the assignment enables you to draw conclusions about the topic in a logical way. You might try locating examples of 6th edition APA style papers on the Internet but such specifically formatted papers might be hard to come across.
When a student stumbles upon the correct resources, they find that crafting their own paper in the same format becomes a whole lot more convenient. It is a good idea to consider other papers available in books and on the Internet to look at the sources that were employed. This will help provide you with an idea on how you can proceed with your work. It is important that you focus on the formatting that has been carried out according to the norms of the 6th edition APA style. You might not always be able to find specific examples and so, you might consider doing a broad search.
The Internet is always available at your fingertips. You might consider taking a look if all other sources have yielded no results. Papers that are in the 6th edition APA style might not be explicitly present on websites but you might uncover a lot of helpful information that might guide you on the right path. You can check out academic sites that people post their works in.
You often find what you are looking for in the last imaginable place and this rule applies to papers as well. You might find the right resource in an article or a journal and so you should not rule out this option. A few journals contain great examples of 6th edition APA style papers and it is your responsibility to check whether they fit your criteria or not.