What is a citation in relation to SEO? Good question. Here’s the definition according to Moz.com
A mention of a business name in close proximity to its address, phone number, or both. Used by the search engines to weigh both the accuracy and popularity of businesses in their indexes
Build a few high-quality citations. These citations are historically reserved specifically for local-focused websites, but they do an awesome job of adding a bit more trust and authority to your site. Here’s a short list of sites you could use to build your citations:
Don’t expect listing on these sites to bring in any direct traffic boosts, but they will protect your site from future penalties, and add more legitimacy and trust to your website.