What is the appropriate way to cite the following information?

58 million Americans are overweight (getfitamerica.com). This number is and has been on a steady rise. More and more Americans are exercising less and less. The Center for Disease Control recommends 2.5 hours of moderate aerobic activity each week, along with 2 days of strength training. Americans are clearly not abiding by these minimum recommendations, as the numbers prove. It is necessary for Americans to get more exercise in order to lead a healthy life. There is no good reason for healthy people not to exercise but the there are many benefits including maintaining a healthy weight, relieving everyday stress and lowering one’s chances for certain diseases.