How to reference a website

Chris Rattue, (2015), Rugby World Cup: Power rankings, Retrieved on September 9 2015 from http://www.nzherald.co.nz/sport/news/article.cfm?c_id=4&objectid=11510254

Referencing a non fiction book.

Hudson, John, (2003) Magnetism understanding science, Smart Apple Media, North Mankato