An easy flow chart to refer to so you know when to cite a source!
https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwi-pKut65PWAhVG-mMKHY6_C4oQjRwIBw&url=http%3A%2F%2Flibguides.mountainviewcollege.edu%2Fplagiarism%2Fcite&psig=AFQjCNE5prVQMTfDjhMz4Gb_pbdy3SAfxA&ust=1504899939370324
And remember, the Credible Hulk always cites his sources...
https://i2.wp.com/kapush.org/seocontent/wp-content/uploads/2016/10/Citing-Credible-Statistics-the-Credible-Hulk.jpg?fit=848%2C400