The leaders now have an opportunity to make a closing statement.
Scotland's First Minister Alex Salmond goes first:
The decision that we make in three weeks' time will define us, this generation and also the future of the generation. Few societies anywhere on Earth have secured this opportunity to vote themselves into independence ... in a process that has been agreed and consented ... It's about believing we can govern ourselves better than anyone else can ... This is our time, our moment, let's seize it with both hands.
With just a few weeks to go until the Scottish independence referendum takes place, here are some key facts about the vote.
An investigation has been launched after listings appeared on eBay offering to sell votes in the upcoming Scottish independence referendum.
Bounce for leaving the union following second debate this week, but only 43% expected to vote yes in referendum on September 18