Its very simple and straight. Just look at my some hubs you will find a banner named "PROTECTED BY COPYSCAPE DO NOT COPY". Use this on every hub you wright as i do. (GET THE BANNERS FROM HERE -http://www.copyscape.com/banners.php?o=f
But remember this is just to do your best to stop it from infringement of you work. There is lots of cheaters who will copy and may be publish it to their site. You cant stop it, You can use Google Alert to see who is using your work and published.
Hope this helps you if you find difficulties please contact or post here.