Whats the right way to use rich snippets for product ratings on eCommerce sites?

[laxmariappan]

I need to use ratings rich snippet for my prestashop store.
Looking for expert advice with your experience.

 

[Sean78Black]

There is an addon for prestashop store to show product ratings [URLnf="http://addons.prestashop.com/en/6144-customer-ratings-and-reviews-pro-google-rich-snippets.html"]here[/URLnf]

Is rich snippet which you wanted to show for your products on Google search results.