What kind of page are you making? If it's a page about a ship or a character then there are templates which should be used named Template:Shipinfobox and for a character you should use Template:CharInfoBox. After adding it you can edit the information by returning to visual mode.
When you declare a reference for the first time on a page you have to tell the reflist at the bottom what to call it so use.  Change the ref name and the words in quotation marks per reference when delcaring a new reference. If you want to re-use the reference you only need to use  and the reflist at the bottom will recognise it and repeat it. Finally add
↑ 1.01.1Star Trek : The Next Generation - "Q Who?"