You can use share this tool. This will give you icons and sharing links. For sample I have added code here. You can also generate new using this which is free and open source, http://www.sharethis.com/ Copy the span tags and place them where you want your buttons to appear in the code.
https://artdimension.ca/wp-content/uploads/2016/08/share.png515860Art-Dhttps://artdimension.ca/wp-content/uploads/2015/12/artd-logo.pngArt-D2016-08-12 11:20:022016-12-15 20:42:51How to add share button to Magento