How to make a button so they can follow a user from an external site?

I am using the plugin of followers would like to know how to make a button like the of twitter to follow you entirely by an external website, what I mean is to generate a code for users to place it on your website and visitors to your pages they can follow in the network.

I hope your help.

Beginning Developers

Beginning Developers

This space is for newcomers, who wish to build a new plugin or to customize an existing one to their liking