Cite Them Right Online
The site will help you to reference just about any source, and understand how to avoid plagiarism.
Access the site here, or access basic guidance here.
If you access the site whilst on-campus in Ipswich you will gain access without needing to login. If you are accessing away from the Ipswich campus you will need to login with your University username and password once you have located the the University (currently listed as University Campus Suffolk) in the list of organiations.